Acetylene gas
[机] 乙炔气
🧩 词语组成解析
n. 乙炔, 电石气\\n[化] 乙炔; 双亚乙基
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
if you can't make the payments.
如果你们不能还钱
Mary is in her freshman year.
玛丽大学一年级。
Though Mr.Thompson had turned the lights off before he went to bed, they were on in the morning.
虽然汤普森临睡觉时把灯关了，但早晨灯却都亮着。