Ebbtide
n. 落潮
🗣️ 情景例句
They live from hand to mouth.
他们过着糊口的生活。
While waiting for the train I killed time by reading a book.
在等火车的时候我看书来消磨时间。
Ethanol is more effective at a concentration of 50-70 percent;
乙醇的浓度为50％至70％时比较有效，