Chemocin
水合氧氯化銅
??? 情景例句
How are things with you?
一切都好嗎？
She felt very awkward about the unpleasant situation.
她因不愉快的場面而感到十分困窘。
Oh, hello, Lin Tao. Fine, thanks. What about you?
噢，你好，林濤。很好，謝謝。你好嗎？