Phthalamic acid
[化] 邻氨甲酰苯甲酸; 邻氨羰基苯甲酸
🧩 词语组成解析
🗣️ 情景例句
When are they coming?
他们什么时候来？
Which of your arms is sore?
你哪个手臂酸呀？
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。