Efficatious
灵验(指疗效)
🗣️ 情景例句
Don't you, Audrey?
喜欢吗， Audrey？
I gave her my address and she gave me hers.
我把我的地址给她，她也把她的给了我。[九六广州初中会考]
I immediately embarked on an experiment which, even though if failed to get rid of the ants, kept me fascinated for twenty-four hours.
我当即动手作了一项试验，这项试验尽管没有使我摆脱这些蚂蚁，却使我着迷了24小时。