P-bromobenzenesulfonyl
[化] 对溴苯磺酰基
🗣️ 情景例句
Been healthy lately?
最近健康吗？
Delicious!
真好吃！
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。