Diunsaturated
二不饱和的甘油酯
🗣️ 情景例句
The world's greatest grandmother, Mrs. Ellen Stewart,
世界上最伟大的祖母， Ellen Stewart太太，
I only regret that I have but one life to give for my country.
我抱憾的是，只有一次生命能献给祖国。
Before? After? said the doctor.
“饭前？饭后？”医生说。