1、having a hard shell or shell-like covering
有硬殼或殼狀遮蓋物。

2、having a hard shell or shell-like covering.
有硬殼或殼狀遮蓋物。

3、Bubble trapping, however, may not be the only function of the shell-like case, he says.
捕捉氣泡也許不是舡魚(yú)外殼的唯一功能，他認(rèn)為。

shell-like翻譯