Bivalves
(bivalve 的复数) n. 双壳类动物\\n[医] 两瓣的, 两片的
🗣️ 情景例句
I have one ten-day tour that is still available. It will depart from New York on Dec. 24.
我们一个10天的旅行团还有空位，12月24号离开纽约。
I know the boy whose father is a missionary.
我知道那个男孩的父亲是传教士。
he said. But I don't have many friends, and I don't enjoy myself very much. I don't know why!
他说，“但是我没有很多朋友，我过得不很愉快。我不懂为什么！”