🧩 词语组成解析
🗣️ 情景例句
I'm writing a story for the high-school paper.
我正在为高中校刊写一篇东西。
When is the most convenient time for us to meet?
我们什么时候见面最方便呢？
Between 1850 and 1910 the bison population is thought to have fallen from 60 million to just a few hundred.
人们认为，在1850年到1910年之间，野牛的头数从6，000万头降到只有几百头了。