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
Maybe you could come to visit me in Greece?
也许你可以到希腊来看我？
It seems as if it's going to rain.
看起来天好像要下雨。
It has four Rolls-Royce Merlin engines, but the group will need to have only three of them rebuilt.
该飞机装装配有4台罗尔斯-罗伊斯的默林发动机，但是他们只需要修复其中的3台。