Tetrapropyleneglycol
四聚丙二醇
??? 情景例句
because the doctors and nurses are so busy?
因為醫生和護士們都非常忙？
The wealth of the mind is the only true wealth.
精神財富是唯一的真正財富。
Haven't you heard of him? He's a very famous singer. He's singing at the New Theatre on Saturday.
你沒聽說過他嗎？他是個著名歌手。他星期六將在新劇院演出。