join a force 基本例句 参军; 入伍 He lied about his age to join the army.他为了参军谎报了年龄。 Joining the army made him a lot more mature.参军使他成熟了很多。 Fire arms He received a call to arms.他被召入伍。 Her son was enrolled for military service a couple of years ago.她儿子於两三年前应募入伍。