Thallosic
含一价和三价铊的
🗣️ 情景例句
I'll be OK. I just need time to think.
我会适应的， 我只是需要时间思考。
Let's call it a day.
我们今天就到这儿吧。
This is because they had no natural enemies until the arrival of humans and therefore did not need to develop flying wings.
这是因为人类到达这里之前，这些鸟没有天敌，因此，它们不需要发育飞行的翅膀。