Tph
[医][=tissue ph]组织ph值
🗣️ 情景例句
Yes? Can I do something for you?
什么事？我能为您效劳吗？
I took off my hat.
我摘下了我的帽子。
He fills each of the stockings with Christmas presents.
他给每一只长统袜装上圣诞礼物。