Natural selection
辅助 Assistant[医] 自然选择, 自然淘汰
📖 牛津释义
natural selection
evolutionary theory that animals survive or become extinct according to their ability to adapt themselves to their environment 自然选择; 天择.
🧩 词语组成解析
natural
['nætʃrəl]
adj. 自然的;物质的;天生的;不做作的;
n. 自然的事情;（生来的）白痴;[乐]（风琴等的）白键;
natur=nature自然+al...的 →自然（界）的
🗣️ 情景例句
I think I'll have a couple of slices of vegetarian pizza.
我想我要几块素比萨饼。
You are welcome.
不客气。
Do you still have the cock year stamp?
你还有鸡年的邮票吗？