Smk
abbr. smoke 煙（霧）
??? 情景例句
Mm-hmm, hmm, uh-huh.
Mm-hmm,hmm,uh-huh。
He should see the doctor.
他應該去看醫生。
He had been obliged to join the army during the Second World War.
年齡比他兩個弟弟大很多，第二次世界大戰期間被迫參軍。