Gas multiplication
[化] 氣體放大作用
?? 詞語組成解析
gas
[g?s]
n. 氣體;[礦業] 瓦斯;汽油;毒氣;
vt. 加油;毒（死）;
vi. 加油;放出氣體;空談;
int. 該死！（令人氣憤的人應即被送毒氣室處死）;
multiplication
['m?lt?pl?'ke??n]
n. 增加，增殖，倍增;[數]乘法，乘法運算;
multi 多 + pl=ply折+ication表名詞 →multiply折很多次=乘+ication表名詞 → 乘法, 增加
??? 情景例句
You're ahead.
你領先呢。
Where is the ticket office?
售票處在哪兒？
He noticed that the straight part of the dance was different in the afternoon from what it had been in the morning.
他注意到下午舞蹈的直線部分與上午的不一樣。