Unsaturated compuonds
[化] 不饱和化合物
🧩 词语组成解析
a. 没有饱和的, 不饱和的
🗣️ 情景例句
for a total of sixteen points.
她一共得十六分。
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。
As long ago as the fourteenth century,
早在14世纪，