1.
Then, to help the salmon swim upstream to deposit their eggs, they build special fish ladders up the smaller dams and rapids.
同时，为帮助鲑鱼逆水，游回产卵的地方，他们在较小的水坝和急流上建设鱼梯。
2.
A file of passengers was coming down the steps.
旅客鱼贯走下阶梯。
3.
PREPARATION OF SERIES OF PEPTIDES FROM SKIN OF COD BY COMPOUND ENZYME HYDROLYSIS
复合酶制备鳕鱼皮梯级胶原肽的初步研究
4.
Changes of fishery resources after the construction of cascade hydropower stations from Longyang gorge to Liujia gorge in upper stream of Yellow River
黄河上游龙羊峡至刘家峡河段梯级水电站建设后鱼类资源变化
5.
the rounds of a ladder
梯级, 梯子的横档
6.
boiled, fried, grilled, etc fish
煮鱼、 炸鱼、 烤鱼
7.
frozen, smoked, fresh, etc fish
冻鱼、 熏鱼、 鲜鱼
8.
Fish that provide a lot of omega three acids are salmon, herring, mackerel and bluefish.
富含Ω3的鱼包括桂鱼、鲱鱼、鲭鱼和青鱼。
9.
A young or small fish, especially a young salmon or trout.
鱼苗幼鱼或小鱼，尤指幼鲑鱼或鲑鳟鱼
10.
Passenger and service elevators
载客电梯和货运电梯
11.
Gangway turning device
GB/T1393-1987舷梯翻梯装置
12.
elevator capture
电梯专用电梯按钮无效
13.
A passenger or cargo elevator.
电梯载客或载货电梯
14.
megaton TNT equivalent
百万吨级梯恩梯当量
15.
To secure ratlines to(shrouds).
扎梯绳给（桅索）扎梯绳
16.
The lift is fitted in the centre of the stairwell .
楼梯井中安装了电梯。
17.
escalator tunnel
阶梯式自动电梯隧道
18.
lifts, floor charts, stair treads, landings
电梯, 楼面图, 楼梯踏板, 楼梯平台