Microcorrosion
显微腐蚀
🗣️ 情景例句
She has now held the post of Prime Minister longer than anyone else this century.
她现在担任首相任期之长在本世纪是前所未有的。
What's your nationality?Are you American?
你的国籍是什么?你是美国人吗？
Pupils of the school, old and new, will be sending him a present to mark the occasion.
为了纪念这个日子，学校的学生——无论老同学还是新同学——将送他一件礼物。