英日字典: double_up
    The double_up has 3 Senses.
-  double over, double up, double
 -  体を折り曲げる
 - bend over or curl up, usually with laughter or pain; "He doubled and vomited violently"
 - 通常笑いまたは痛みを伴って、かがむか、丸くなる
 
-  double up
 - share a room or a bed designed for only one person
 - 1人用に設計された部屋かベッドを共有する
 
 返回 →