Desoldering
可焊性
🗣️ 情景例句
Excuse me. Is this seat taken?
对不起 ，请问这个座位有人吗？
John has built up his own business.He owns a hotel.
约翰建立了他自己的生意，他拥有一家宾馆。
Who could count the times Annie tried, failed, and then succeeded?
谁能数得清安妮尝试、失败直至最后成功的次数？