Water can be purified by boiling for five minutes.水煮沸5分鐘便可得到凈化。She embroidered on this theme for about ten minutes.她圍繞這個主題添枝加葉地說了大約10分鐘。They sat talking and necking in the car for another ten minutes.他們在車里又坐了10分鐘，邊說邊摟著親熱...
紳士應該總是彬彬有禮,即便是對地位不及自己者.A gentleman should always be civil, even to his inferiors.這部歌劇不及他晚期作品嫻熟。The opera lacks the polish of his later work.為什么他今年表現不及往常呢？How come he hasn't been able to be as good this year?...