Dihydro-
二氢
🗣️ 情景例句
As you see, the goods we ordered are seasonal goods.
你知道，我们这批货物是季节性的。
Do you think you can get me to Union Station by quarter after?
你看你能否在一刻前把我送到联合车站？
Hello, Jim! Help yourself to a cake.
你好，吉姆！请随便吃糕点。