Spontaneous contraction
[医] 自发性收缩
🧩 词语组成解析
contraction
[kən'trækʃən]
n. 收缩，缩减;[语]缩略，略体，缩写;（开支等）缩减;（分娩时）子宫收缩;
🗣️ 情景例句
Columbia's a terrific school.
Columbia，是一所很棒的学校。
A man may lead a horse to the water, but he cannot make him drink.
牵马到河易，强马饮水难。
The tent was full of water! They all leapt out of their sleeping bags and hurried outside.
原来帐篷里到处都是水！他们全都跳出睡袋，跑到外面。