Xanthophyll
[医] 叶黄素
🗣️ 情景例句
An apple a day keeps the doctor away.
每天一个苹果不用看医生。
I would like you to keep is a secret.
我要你保守秘密。
Mary is still writing letters. She's been writing letters all day.
马力还在写信，她写了一整天的信。