Microcorrosion
显微腐蚀
🗣️ 情景例句
Dad ... Robbie. When did you come?
爸爸……Robbie。你们什么时候来的？
Do you think you could keep the noise down?
你看能不能小声一些？
You'll have to wear this hard hat for the tour.
参观时必需戴上这安全帽。