Gas cleanup
[電] 氣清掃
?? 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）;
n. 清除, 暴利\\n[經] 清掃工作, 掃除
??? 情景例句
Always remember to wash your hands before eating.
用餐前謹記要洗手。
One cannot eat one's cake and have it.
事難兩全其美。
The old lady enjoys a quiet life with her family.
老太太和她的家人安享寧靜的生活。