Dehydrocholesterol
[医] 脱氢胆甾醇
🗣️ 情景例句
I can see well both day and night.
我白天晚上都能看得很清楚。
He's not afraid of working hard.
他不怕吃苦。
When he died at the age of eighty,
他80岁那年死去时，