under
01
在...下面, 下方
in or to a position lower than and directly beneath something
语法信息
例子
She found her keys under a pile of papers on her desk.
她在桌子上的一堆文件下面找到了钥匙。
例子
The letter was buried under a stack of old newspapers.
那封信被埋在一堆旧报纸下面。
例子
Under her cheerful smile, she was hiding sadness.
在她欢快的笑容之下，隐藏着悲伤。
例子
The sergeant is under the captain in the hierarchy.
在等级制度中，中士低于上尉。
例子
Children under five eat for free.
五岁以下的儿童免费就餐。
05
在...之下, 在...的统治下
being subject to the rule, authority, or governance of something or someone
例子
The country is under the rule of a monarchy.
这个国家处于君主制的统治之下。
5.1
在...之下, 根据
confirmed, issued, or made valid through the authority or signature of someone
例子
The document was signed under the mayor's seal.
该文件是在市长的印章下签署的。
5.2
在...之下, 在...统治期间
within the time span or during the leadership of a particular individual or government
例子
The cathedral was built under King Henry VIII.
大教堂是在亨利八世统治时期建造的。
06
根据, 按照
in conformity with or following a particular standard, rule, or guideline
例子
The company operates under strict quality standards.
该公司按照严格的质量标准运营。
例子
The bridge collapsed under the strain of heavy traffic.
这座桥在繁忙交通的压力下倒塌了。
08
在...下, 属于
placed in or categorized within a particular heading or classification
例子
The book falls under the category of science fiction.
这本书属于科幻小说的类别。
8.1
在...之下, 用
using a particular name, alias, or designation
例子
He traveled under a false name.
他以假名下旅行。
8.2
在...下, 在...框架内
(in computing) operating within the framework or system of a specified computer environment
例子
The program runs under Windows 11.
该程序在Windows 11 下运行。
09
在...过程中, 在...之下
being in the process of a particular action, treatment, or change
例子
The material is currently under review.
该材料目前正在审查中。
9.1
在...之下, 在...中
existing within a particular condition or situation
例子
They lived under constant fear.
他们生活在持续的恐惧之下。
10
在...之下, 种植着特定作物
cultivated with a particular crop or vegetation
例子
The field is under wheat this season.
这个季节田地种着小麦。
11
在...之下, 出生于...之下
born during the astrological time associated with a specific zodiac sign
例子
She was born under Leo.
她出生在狮子座之下。
12
在...之下, 由...驱动
moved or driven by a particular mode of propulsion
例子
The ship sailed under steam.
船在蒸汽下航行。
under
01
下面, 下方
at or to a position directly beneath or lower than something
语法信息
不可比较
adverb of place
例子
The ball rolled under and disappeared from sight.
球滚到下面并从视线中消失了。
02
下面, 在下面
into a position where something is buried, hidden, or covered by something else
例子
The car was buried under after the avalanche.
雪崩后，汽车被埋在了下面。
03
下, 下面
downward beyond the horizon or out of sight
例子
As evening approached, the sun slipped under.
随着傍晚临近，太阳滑落到地平线下。
04
下, 水下
below the surface of water
例子
The submarine dipped under and vanished from sight.
潜艇水下下潜并从视线中消失。
例子
The discount applies to purchases of $50 or under.
折扣适用于50美元或以下的购买。
06
下, 麻醉
into a state of being unaware or insensible, especially from anesthesia or exhaustion
例子
He was quickly put under for the surgery.
他很快被麻醉以进行手术。
07
下, 之下
into a state of being controlled, governed, or subordinate
例子
The rebels were forced under by the advancing army.
叛军被前进的军队强迫在控制下。
08
倒下, 崩溃
into a state of collapse, destruction, or failure
例子
Many small businesses went under during the recession.
许多小企业在经济衰退期间倒下了。
under
01
下面的, 底部
located on or forming the bottom side or surface of something
语法信息
形态构成
简单词
关系形容词
不可分级
例子
The under side of the leaf had tiny white spots.
叶子的下面有微小的白点。
02
麻醉中, 无意识的
in a state of being rendered insensible or unconscious, especially by medical anesthesia
例子
The patient was still under when the nurse checked his vitals.
护士检查病人的生命体征时，病人仍然处于麻醉状态。
03
不足, 下
being below the expected, required, or ideal level of a specific quality
非正式
例子
The soup was a little under and needed more seasoning.
汤有点淡，需要更多的调味料。
例子
He worked closely with the under manager on the project.
他与副经理在项目上紧密合作。
under-
01
下, 亚
used to indicate a position lower than or beneath something else
例子
She packed her underclothes neatly into the suitcase.
她将内衣整齐地装进了手提箱。
02
不足-, 下-
used to indicate something done to an inadequate or insufficient degree
例子
The children at the shelter were severely undernourished.
收容所的孩子们严重营养不足。
Under
语法信息
有生性状态
抽象
形态构成
简单词
可数
复数形式
unders
例子
The cashier reported a small under at closing.
收银员报告了结账时的一个小短缺。
02
不足, 赤字
an instance of being under a required size, amount, or standard
非正式
例子
He caught only unders during the fishing trip.
他在钓鱼旅行中只钓到了尺寸不足的鱼。
