Of mutations theory
[医] 突变学说
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
n. [遗] 突变；变化；转变（mutation的复数形式）
🗣️ 情景例句
It was on his birthday, June second, two years ago.
是在他生日那天。两年前的六月二日。
Yes, a little.
是,会一点。
it is quite reasonable to regard the sea floor as the basic form of the crust of the earth,
因此完全有理由把海床看作地壳的基本模壳，