Alpha-substitution
[化] α-取代
🧩 词语组成解析
alpha
['ælfə]
n. 希腊字母的第一个字母;
substitution
[ˌsʌbsti'tju:ʃən]
n. 代替;代用;替换;<化>取代（作用）;
🗣️ 情景例句
I love cats.
我喜欢猫。
I got a beautiful new vanity set so that I can put on my make-up better.
我买了一套新的化妆品，能够更巧妙地化妆了。
A telescope would have to be as far away as the planet Jupiter to look for life in outer space, because the dust becomes thinner the further we travel towards the outer edges of our own solar system.
望远镜要放置在木星那样遥远的行星上才有可能在外层空间搜寻生命。因为我们越是接近太阳系的边缘，尘埃就越稀薄。