Deoxyhemoglobin
还原血红蛋白
🗣️ 情景例句
Tongue muscles'training is of great importance in learning any foreigh language.
口腔肌肉训练在学习任何语言时都是非常重要的。
You can't have it both ways.
你不能兼而有之。
Look!There's an ice cream man.
瞧！有个卖冰淇淋的。