Pentaborate
五硼酸盐
🗣️ 情景例句
Don't worry about being late. It's fine.
别为迟到担心了 没有关系。
Time and tide wait for no man.
岁月无情。
I don't know why he's in a tailor's shop. Just look at his clothes!
真不懂他为什么进服装店。瞧他这身打扮！