gas1/gæs; ɡæs/n plural gases or gasses 1 [C,U] a substance such as air, which is not solid or liquid 气﹐气体: hydrogen gas 氢气a cloud of toxic gas 一团毒气2 [U] a clear substance like air that is burned to give heat for cooking and heating 燃气﹔煤气﹔天然气: a gas stove 煤气炉3 [U] AmE also 又作 gasoline a liquid that is used for producing power in car engines [ petrol BrE 【英】] 【美】汽油: I spend over $200 a month on gas. 我一个月汽油费要 200 多美元。NATURAL GAS
gas2v [T] gassed , gassing to attack or kill someone with poisonous gas 用毒气攻击﹔用毒气毒死
gasgasgasesgassedgassingnoun1(pluralgases) a substance like air that is not a solid or a liquid: Hydrogen and oxygen are gases.2(no plural) a gas with a strong smell, that you burn to make heat: Do you use electricity or gas for cooking?a gas fire3(alsogasoline) American English for petrol