🧩 词语组成解析
🗣️ 情景例句
Much still remains to be done.
还有很多事要做。
You can't always get what you want.
天不从人愿。
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。