✅ 同义词
🗣️ 情景例句
His excuse sounds unconvincing.
他说的理由好像不可难。
I'll see if she's in.
我去看看她在不在。
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。