Ribonucleoside
n. [生化]核(糖核)苷
🗣️ 情景例句
when Molly gave him the injection.
Molly给他打针时。
To have a shoeshine
给...擦皮鞋
Portable boiling elements that can boil small quantities of water are useful when the right voltage of electricity is available.
如果有相配的电压，可以煮少量水的便携式热水装置是有用的。