migratory
adj. 迁移的; 有迁居习惯(或特色)的; 流浪的; <医>游走性的
A migratory bird, fish, or animal is one that migrates every year.
Migratory means relating to the migration of people, birds, fish, or animals.
...migratory farm labour.
流动的农业劳动力
1. used of animals that move seasonally;
2. habitually moving from place to place especially in search of seasonal work;
New World migratory locusts and common American grasshoppers.
新大陆的移栖的蝗虫和常见的美洲蚱蜢.
The positive rate of migratory birds is higher than birds.
候鸟的阳性率极显著高于留鸟.
Most migratory farm workers earn very little indeed by comparison with other'workers.
大部分移民过来的农业工人的收入与当地人相比确实非常低.
Yiyang , the site of the outbreak , lies next to Lake Dongting, which hosts many migratory birds.
爆发地 宜阳 临近许多候鸟的聚集地洞庭湖.
The part of migratory birds play in spreading the virus is still being studied.
一部分候鸟在传播该种病毒方面的作用现在仍处于研究阶段.