Idiomuscular contraction
[医] 肌自身收缩
🧩 词语组成解析
[生理]肌肉自发的
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
That'll be fifty-five dollars and twenty cents.
一共55元2角。
I can't be sure of my future plans.
我还没有明白地定下我将来的计划。
Alternatively, if the star were small, the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.
反之，如果恒星很小，维持生命的行星就要在离恒星很近的轨道上运行，而且要有极好的条件才能使生命得以发展，