Kratometer
[医] 棱镜矫视器
🗣️ 情景例句
Hi. Michelle,
嗨， Michelle，
With my heart in my boots, I went into the dark room.
我战战兢兢地走进那黑洞洞的房间。
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。