Shoal
01
鱼群, 群
a large number of fish swimming together
例子
As the fishermen approached, they noticed a massive shoal of shimmering sardines swirling beneath the surface of the water.
当渔民们靠近时，他们注意到一大群闪闪发光的沙丁鱼在水面下旋转。
Dolphins are often seen herding shoals of fish, working together to corral their prey for an easy catch.
海豚经常被看到驱赶鱼群，一起工作以围捕猎物以便轻松捕捉。
例子
The fishing boat became stuck on a shoal near the coast.
渔船在海岸附近的一个浅滩上搁浅了。
A flock of birds rested on the shoal exposed by the low tide.
一群鸟在退潮时露出的浅滩上休息。
03
a submerged or partially exposed accumulation of sand or sediment, typically visible at low tide
例子
The beach revealed a shoal as the tide receded.
Sailors marked the shoal on their charts to warn others.
to shoal
例子
The river began to shoal as it approached the delta.
河流在接近三角洲时开始变浅。
Erosion caused the ocean currents to shoal the coastline over time.
侵蚀导致洋流随着时间的推移使海岸线变浅。
例子
The engineers worked to shoal the canal, allowing easier access for smaller boats.
工程师们致力于使运河变浅，以便小船更容易通行。
The shifting sands shoaled the harbor entrance, restricting larger ships from entering.
移动的沙子淤浅了港口入口，限制了大船进入。
