Clappet
[建] 止回阀
🗣️ 情景例句
Advance at a pace consistent with my abilities.
我的职务能随能力增长相应提高。
What's your impression of the United States?
你对美国的印象如何？
After lunch Aunt Huang came in and she looked worried.
午饭后黄阿姨来了，她面带愁容。