Cinnamylate
肉桂酸
??? 情景例句
Have you ever been there?
你去過那兒嗎？
When did you get up yesterday morning?
你昨天早上幾點(diǎn)起床？
I must see the dentist now,nurse.
我必須現(xiàn)在就見牙科醫(yī)生，護(hù)士。