turtle

1. N-COUNT A turtle is the same as a . 同sea turtle[英國英語]

2. N-COUNT A turtle is any reptile that has a thick shell around its body, for example a tortoise or terrapin, and can pull its whole body into its shell. 龜[美國英語]

...a pet turtle. …一只寵物龜。

...the giant sea turtle. …那只巨大的海龜。