🧩 词语组成解析
abbr. methylacetylenepropadiene 甲基乙二酸丙二烯酯
gas
[gæs]
n. 气体;[矿业] 瓦斯;汽油;毒气;
vt. 加油;毒（死）;
vi. 加油;放出气体;空谈;
int. 该死！（令人气愤的人应即被送毒气室处死）;
🗣️ 情景例句
How much does a return ticket cost?
返程票多少钱？
My hat is white.
我的帽子是白色的。
The man who had fixed up the air-line was also questioned.
安装供气管的那位工人也被提问。