Backfin
轧疤
🗣️ 情景例句
A clip-on?
用夹上去的？
A little learning is a dangerous thing.
浅学误人。
The kiwi, which is New Zealand's national bird, is one of these types of flightless birds.
几维，新西兰的国鸟，就是这些不能飞行的鸟类当中的一种。