1. He anchored where the river shoaled.
    他下锚泊在河道的浅水处。

1. Emigration had carried to its shores shoals of men and women.
    移民使成群结队的男男女女来到了它的海岸。

2. The ship was wrecked on the shoals.
    那艘船在浅水处失事。

1. 浅滩：与碍航危险物(Navigational Hazards)的靠近程度:尽量选择远离岩(Rock)、沉船(Wreck)、暗礁(Reef)、浅滩(Shoal)等碍航危险物的锚地;四. 与邻近船舶的靠近程度:下锚时的船锚落点务必远离邻近船舶,

2. 暗沙：南海诸岛共230个岛、礁、沙、滩,按其离海面的位置可分为:滩(bank),位于水下较深的珊瑚,呈广阔的台状;暗沙(shoal),由滩向上生长,距水面较近;礁(reef),位于水面下高潮和低潮之间的珊瑚;砂洲(sand cay)和岛屿,露出水面之上,

3. 浅滩沙洲：shipyard 船厂 | shoal 浅滩 ; 沙洲 | shopping centre 购物中心

4. 鱼群：shoal 暗滩; 浅滩; 沙洲 | shoal 鱼群 | shore meadows 海边草地

1. 鱼群
    A shoal of fish is a large group of them swimming together.

    e.g. Among them swam shoals of fish.
           鱼群在他们中间游过。
    e.g. ...tuna shoals.
           金枪鱼群

1. a large group of fish

    e.g. a school of small glittering fish swam by

    Synonym: school

2. a stretch of shallow water

    Synonym: shallow

3. a sandbank in a stretch of water that is visible at low tide

1. become shallow

    e.g. the lake shallowed over time

    Synonym: shallow

2. make shallow

    e.g. The silt shallowed the canal

    Synonym: shallow