重 点
A gas is any substance that is neither liquid nor solid, for example oxygen or hydrogen. 气体
noun [物质名词] 气体；气体燃料；（手术）麻醉气；毒气，瓦斯；汽油（gas tank）；有趣的人（或事）；胀气，胃气
Coal is actually cheaper than gas. 煤炭实际上比煤气便宜。（gas station 加油站）
verb [vt. 及物动词] 用毒气杀死；闲聊，空谈
To gas a person or animal means to kill them by making them breathe poisonous gas. 用毒气杀死
- gas 出现在下面的课文中（提供视频、音频及笔记等可系统性学习）
- Lesson 13 The search for oil
- Episode 16 Full of Surprises ACT II
