(pos:動詞)(ant:膨脹)<explanation>yue:體積變細eng:(of size) to shrink; to contract<eg>yue:肌肉收縮 (gei1 juk6 sau1 suk1)eng:muscle contractions<eg>yue:子宮收縮 (zi2 gung1 sau1 suk1)eng:uterine contractions