clam-shell

词源

clam-shell (n.)

c. 1500; see clam (n.) + shell (n.). As "hinged iron box or bucket used in dredging," from 1877.

例句

• 1. The barnacle and the clam are two examples of filter feeders. 藤壶和蛤类是滤过觅食者的两种例子.
• 2. It'started off well, but he seemed to clam up towards the end. 刚开始很, 但是最后他似乎有些沉默.
• 3. The movie star is a clam about her age. 这影星对她的年龄守口如瓶.
• 4. Everybody shuts up like a clam as soon as you mention it. 你一提及此事,大家便都闭口不言.
• 5. He is now as happy as a clam. 他现在相当满足.