Nonadecylenic acid
[化] 十九碳烯酸
?? 詞語組成解析
??? 情景例句
No ... thank you.
不……謝謝你。
There is something in what she said.
她說的話里有些重要的內容。
Don't worry. But you'd better take him to the nurse, and she'll give him some pills.
放心吧。你最好帶他到護士那，她會給他一些藥片的。