Selectivity diagram
[机] 选择性图
🧩 词语组成解析
n. 选择性, 选择度\\n[化] 选择性
🗣️ 情景例句
But my birthday is tomorrow.
但是我的生日就在明天。
I got a prize.
我得到了一份奖励。
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。