Unsaturated compuonds
[化] 不飽和化合物
?? 詞語組成解析
a. 沒有飽和的, 不飽和的
??? 情景例句
And it hung over Robbie's crib.
Robbie的小床也有過。
My cousin is a member of a riding club, He seems riding.
我的表兄是一個騎馬俱樂部成員，他似乎很喜歡騎馬。
People have been talking of it a lot recently.
近來人們對這事談得很多。