Mesectic
[医] 正常血氧的(血氧分解曲线正常)
🗣️ 情景例句
She's a smart young lady, and very nice.
她是个聪明的年轻姑娘 而且很善良。
Necessity is the mother of invention.
穷则变，变则通。
He's upstairs.He's having a bath.
他在楼上。他正在洗澡。