Diels
狄尔斯(①姓氏 ②Otto Paul Hermann, 1876-1954, 德国化学家, 曾获1950年诺贝尔化学奖)
🗣️ 情景例句
He sees her often but doesn't want to get too involved.
他常与她来往，但不愿用情太深。
A good beginning is half done.
良好的开端，就是成功了一半。
It's a bus.
一辆公共汽车。