🧩 词语组成解析
岩蕨属
🗣️ 情景例句
I thought he was retired
我原以为他退休了
It is better to be alone than in bad company.
无友要比交坏友好。
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。