1.
The best fish swim near the bottom.
〔谚语〕好鱼居水底，要得宝物不容易。
2.
The best fish are near the bottom.
(谚语)好鱼居水底，要得宝物不容易。
3.
The best(greatest) fish keep(swim near) the bottom.
好鱼游水底（指：有价值之物不能轻易得到）。
4.
The best fish keeps the bottom .
好鱼贴底游，瑰宝难寻求。
5.
ground bait
投入水底引鱼的诱饵
6.
Answer: Fish in a net (The "house" is the water; "windows" are holes in the net.)
谜底：网中之鱼(屋子指水、窗户指鱼网眼)。
7.
tropical fish that resembles a goby and rests quietly on the bottom in shallow water.
与虾虎鱼相象的热带鱼，在浅水底静卧。
8.
At this magical place，the water is crystal blue and you can swim with hundreds of different species of fish.
在这梦幻般的世界中，海水湛蓝、澄澈见底，您还可以跟好几百种不同的鱼类悠游其中。
9.
Only the angler still thinks fresh- water fish important.
只有嗜好钓鱼的人仍然垂青于淡水鱼；
10.
ledger tackle
能使钓饵沉于水底的鱼具
11.
Whales spout water after sounding.
鲸鱼突然潜入海底後会喷水。
12.
"Or of anything which goes flat on the earth, or any fish in the water under the earth."
或地上爬物的像，或地底下水中鱼的像。
13.
Newcomer have to accept their position at the bottom of the peck order
新来的人论资排辈只好屈居於最底层
14.
Newcomers have to accept their position at the bottom of the pecking order.
新来的人论资排辈只好屈居于最底层.
15.
Newcomers have to accept their position at the bottom of the pecking order
新来的人论资排辈只好屈居於最底层.
16.
Any of several small New World freshwater fishes of the genus Fundulus, related to the killifishes.
鳉科鱼产于新大陆的一种底鳉属小型淡水鱼，与弹鱼有亲源关系
17.
The water isn't very deep. I can just touch the bottom.
水不太深，我刚好够着底。
18.
Study on antioxygen level in inhabitants of high background radiation area in Yangjiang
高本底辐射居民机体抗氧化水平研究