Ribonucleoside
n. [生化]核(糖核)苷
??? 情景例句
If you say so.
既然你這么說。
Everything hath an end.
任何事物都有它的結果。
Everyone knows that if he shouts in the vicinity of a wall or a mountainside, an echo will come back.
大家都知道，在墻壁或山腰附近發出的喊聲，就會聽到回聲。