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
He started out as a salesman.
他开始时当推销员。
Dinner is on me.
晚饭我请客。
Often a valley boasted no inn at all, and climbers found shelter wherever they could --
山谷里常常没有小客栈，登山者只好随遇而安。