Mendelyeev law
[化] 门捷列夫周期律
🧩 词语组成解析
law
[lɔ:]
n. 法;法学;规律;法制;
vt.& vi. [口语、方言]诉诸法律，对…起诉，控告;
vt. 控告;对…起诉;
🗣️ 情景例句
Fine, thank you.
很好， 谢谢你 。
No sooner said than done.
言而必行。
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。