Bertrand postulate
[计] 伯特兰假设
🧩 词语组成解析
n. 伯特兰(男子名)
🗣️ 情景例句
I like to listen to the music and to play piano and occasionally to go swimming.
我喜欢听音乐、弹钢琴，有时候去游泳。
Not quite.
不完全如此。
It took me ten minutes to persuade her to ring back later.
我用了10分钟的时间才说服她过会儿再来电话。