semiaquatic
/ˈsemɪəˈkwætɪk/adjective
1- (of an animal) living partly on land and partly in water（动物）半水栖的：
semiaquatic crocodiles.
半水栖鳄鱼。
1.1
- (of a plant) growing in very wet or waterlogged ground（植物）半水生的。