External fertilization
[医] 体外受精
🧩 词语组成解析
external
[ɪk'stɝnl]
adj. 外面的，外部的;表面上的;外用的;外国的;
n. 外部，外面;外观;外部情况;
exter出去+nal=al...的 → 出去的 →在外面的 →外部的
fertilization
[[ˌfə:tilai'zeiʃən]]
n. 使肥沃, 土地肥沃法, 施肥\\n[医] 受精, 授精
🗣️ 情景例句
before the guests arrive.
在客人到达之前。
The snow will soon be deep enough to ski on.
雪将会很快就积到可以滑的深度了。
After his attempt, Campbell was disappointed to learn that his average speed had been 299 miles per hour.
比赛结束后，坎贝尔非常失望地得知他的平均时速是299英里。