Davidigenin
二羟苯基羟基丙酮
🗣️ 情景例句
She is at the top of her class.
她在班里名列前茅。
How long will ti take you to finish the work?
你要花多长时间才能完成那项工作？
People who live in Britain needn't despair when they made mistakes like this (and a lot of people do)!
当英国人犯这种错误时，他们不必感到绝望（而许多国家的人都有这种绝望的感觉）。