Particle-thickness technique
[机] 质点厚度测量技术
🧩 词语组成解析
🗣️ 情景例句
Ms Li, welcome on board.
李小姐，欢迎加入我们！
A book is the same today as it always was and it will never change.
一本好书今天如此，将来也如此，永不改变。
Oh, yes.we don't carry that item anymore.
哦，是的，那一项目我们不再卖了。