Sanger
桑格(①姓氏 ②Frederick, 1918-, 美国生物化学家, 曾获 1958年诺贝尔化学奖)
🗣️ 情景例句
You're a big boy.
你是个大孩子了。
There is no sense in criticizing him.
批评他也没有用。
Yesterday the firemen examined the ground carefully, but were not able to find any broken glass.
昨天，消防队员仔细查看了地面，但未能发现碎玻璃。