Tph
[医][=tissue ph]组织ph值
🗣️ 情景例句
What goes into my apple pie besides apples?
除了苹果以外 我的派还要放什么呢？
Better ask twice than lose you way once.
宁愿问路两次胜过迷路一次。
He's been there for over two years. He's been there since two years ago.
他到校有两年多时间了。他两年前就到那儿学习了。