Dimsyl
[化] 甲基亞磺酰負(fù)碳離子
??? 情景例句
and reading to them.
為他們朗讀。
The nearer the bone the sweeter the flesh.
骨肉越親，恩情越深。
It is fairly clear that sleeping period must have some function,
很清楚，睡眠必然具有某種作用。