Tetrasaccharide
四糖
🗣️ 情景例句
it's exactly as it was when we were married!
它跟我们结婚的时候一模一样！
The doctor advised me to get plenty of exercise.
医生劝我要多运动。
For him, caves have the same peculiar fascination which high mountains have for the climber.
对洞穴探险者来说，洞穴有一种特殊的魅力，就像高山对登山者有特殊魅力一样。