英 美 收缩
Contractions的用法和例句：
例句
The contractions started coming every five minutes.
子宫开始每隔五分钟收缩一次。It does not, however, induce uterine contractions.
然而，它不能引起子宫收缩。Contractions的相关资料：
临近单词
contraction
contraction ring
contraction gage
contraction band
contraction twin
contraction rate
contraction type
contraction loss
contraction work
contraction heat
contraction wave