1.
The Research on the Characters of Migratory Waterbird Communities and the Habitats Restoration Strategy at the Yangtze River Mouth;
长江口滨海湿地迁徙水禽群落特征及生境修复策略
2.
That outbreak, which occurred in the northwestern part of the country, was attributed to contact between domestic poultry and migratory waterfowl.
那次疫情出现在该国的西北省份，传染是由于家禽和迁徙中的水禽接触造成的。
3.
flesh of marine trout that migrate from salt to fresh water.
从咸水迁徙到淡水的海生鳟鱼的肉。
4.
flesh of pacific trout that migrate from salt to fresh water.
从咸水迁徙到淡水的太平洋鳟鱼的肉。
5.
(used of fish) migratory between fresh and salt waters.
（指鱼类）在淡水和海水之间迁徙。
6.
migrating from the sea to fresh water to spawn.
从海洋迁徙到淡水来产卵。
7.
migrating from fresh water to the sea to spawn.
从淡水中迁徙到海洋里产卵。
8.
Studies on Migration Patterns and Monitoring Method of the Water Birds in Beijing
北京野生水鸟迁徙规律及其监测策略初探
9.
On Freedom of Migration: through History of Migration Freedom in China;
论迁徙自由——以中国迁徙史为视角
10.
Unlike some birds, however, trumpeters don't know migration routes instinctively;they learn the way from their parents.
但是，与其他禽类不同的是，这种野天鹅无识别迁徙路线的本能，它们从父母那儿学习飞行路线。
11.
small cold-water silvery fish; migrate between salt and fresh water.
小的有银色光泽的冷水鱼；在咸水和淡水之间迁徙。
12.
Further hazards await any migrants that enter man-made channels at the river's edge.
这些迁徙者若游进河岸的人造水道里,还得面对其它危险.
13.
Up to 50,000 migratory waterfowl and other birds are known to use the sites during migration.
在迁徙季节，多达50,000的水鸟和其它鸟类使用这些地点。
14.
These birds migrate to North Africa in winter.
这些鸟冬天迁徙到北非.
15.
used of animals that do not migrate.
用来指不迁徙的动物。
16.
freedom of speech, assembly and movement
言论、集会和迁徙自由
17.
resident fauna.
无迁徙习性的动物群
18.
the geographic route along which birds customarily migrate.
候鸟迁徙所经的路径。