Beta substitution
[化] β-取代
🧩 词语组成解析
n. 希腊字母表的第二个字母\\n[医] β(希腊文的第二个字母), 乙种
substitution
[ˌsʌbsti'tju:ʃən]
n. 代替;代用;替换;<化>取代（作用）;
🗣️ 情景例句
but I've worked so hard on Family Album, U.S.A.,
但是我一直为Family Album, U.S.A.辛勤工作
The building of the new road has been held up by bad weather.
这条新马路的修筑因天气恶劣而受阻。
'Certainly,' the girl said.
“当然可以，”那姑娘说。