Leukoderivative
[医] 白色衍生物
🗣️ 情景例句
It's OK, lady. Take your time.
没关系， 太太。慢慢来。
What do you think about it?
你对此怎么看？
I like looking after my sister's baby, but my sister doesn't let me do it.
我喜欢照看我姐姐的孩子，但我姐姐却不让我做这事。