Exoskeleton
n. 外骨胳, 外甲\\n[医] 外骨骼
✅ 同义词
🗣️ 情景例句
Why was she working anyway? She's rich.
真弄不懂她当初为什么要工作。她是有钱人呀。
I can't do two things at the same time.
我只有一双手。
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。