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
The reviews were all right; it was the best performance I have ever seen.
那些评论写得很对，是我所见过表现最好的一次表演。
He is playing on the slide over there.
他正在那边溜滑梯。
'Don't interrupt,' he said.
“不要打断我的话，”他说。