Polypneustic
多孔气门的
🗣️ 情景例句
Would you like something to drink?
你要不要喝点东西？
I'm the worst pupil in my party.
我是我的聚会中最坏的学生。
That machine joins these different pieces of metal together.
那台机器把这些不同的金属片焊接起来。