Nonconvertible
非转化型(的)
🗣️ 情景例句
While sitting on the bus I often meet interesting people.
乘车时，我经常碰到一些有趣的人。
It is easier to descend than to ascend.
下降容易上升难。
How long has Jim been at his school?
吉姆到校有多长时间了？