Deadend
a. 行不通的; 没出路的\\nn. 无出路; 到达尽头
🗣️ 情景例句
She was sick so the didn't attend her classes.
她生病了，所以没上学。
Being on sea, sail; being on land, settle.
随遇而安。
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。