Dimethylaminoisocamphane
二甲氨異莰
??? 情景例句
You'll never be in shape until you eat less and exercisemore.
只有少吃多鍛煉才能健美。
The staff in this shop is very helpful.
這家商店的店員很熱心。
Your English is improving little by little.
你的英語正在漸漸提高。