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
Genetically modified foods and green foods are different.
经基因改良的食物与绿色食物是不同的。
What's bugging you?
你在烦什么？
'Perfume, eh?' he asked sarcastically.
“香水，嗯？”他讥讽地说道，