essential
01
必要的, 必不可少的
very necessary for a particular purpose or situation
例子
Sunscreen is essential for protecting your skin from harmful UV rays.
防晒霜对于保护皮肤免受有害紫外线伤害至关重要。
02
必要的, 基本的
forming the core or basis of something
例子
The manual covered all the essential procedures needed to operate the machinery safely.
手册涵盖了安全操作机器所需的所有基本程序。
例子
Trust is essential in building strong relationships.
建立牢固的关系，信任是必不可少的。
例子
Essential hypertension is the most common form of high blood pressure and has no identifiable cause.
原发性高血压是最常见的高血压形式，没有可识别的原因。
Essential
01
必需品, 必要
a necessary item or element required for a specific purpose
例子
A first aid kit is an essential for any hiking trip.
急救包是任何徒步旅行的必备物品。
02
本质, 基本要素
the core or most important aspects or components of something
例子
She quickly learned the essentials of cooking before her first dinner party.
她在第一次晚宴前迅速学会了烹饪的要领。
词汇树
essentiality
essentially
essentialness
essential
essent
