Rhachiocentesis
[医] 椎管穿刺术
🗣️ 情景例句
No, I won't agree! don't waste your breath.
不。 我不会同意的。 别跟我这儿费口舌。
Only by working hard can we succeed in doing anything.
只有通过努力工作我们才能成功。
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。