Hct
[医] 血细胞比容, 血细胞比容管
🗣️ 情景例句
She is giving me piano lessons in exchange for her English classes.
我教她英语，她教我弹钢琴。
Help yourself.
请便！
we are no longer free to choose the things we want,
但我们已经无法独立自主地选购自己所需的东西了。