同根派生 gas shell相关词英汉例句用作名词 (n.)Bombs and poison gas would rain down on undefended cities.炸弹毒气弹纷纷投向那些没有防御的城市。The police used poisonous gas to force the robbers out of the house.警方施放了毒气弹,把劫匪逼出了屋子。gas shell更多例句