Targeted
[医]定向的
🗣️ 情景例句
Why don't we take a walk down to the river?
我们何不一路散步到河边去呢？
I like listening to pop music.
我喜欢听流行音乐。
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。