Monosulphide
一硫化物
🗣️ 情景例句
if, and I repeat,
只要， 我重复一遍，
In university, students are trained to become doctors and nurses.
大学的学生被训练成为医生和护士。
After jumping about on the carpet and twisting the human frame into uncomfortable positions,
我在地毯上跳来蹦过去，扭曲身子，摆出各种姿势，弄得浑身不舒服，