🧩 词语组成解析
🗣️ 情景例句
we want and need.
我们盼望而且也需要的。
They must hunger in frost that will not work in heat.
少壮不努力，老大徒伤悲。
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。