Probacy
确证, 证据
🗣️ 情景例句
As far as English is concerned, he is second to none.
就英语来说，没有人能够比得上他。
I have forgotten his telephone number.
我忘记了他的电话号码。
What was the population of the more developed countries in 1950?
1950年较发达国家的人口是多少？