Bivalvular
a. 似双壳贝的
🗣️ 情景例句
It will take less than 5 minutes to check out.
退房最多只需5分钟。
Work hard, otherwise you'll be sorry.
努力用功，否则你会后悔的。
No, Mom, said Lucy. I forgot the money!
“没有，妈妈，”露西说，“我忘记带钱了！”