他们围着老师的椅子站成半圆形回答问题。They stood in a semi-circle round the teacher's chair and answered questions.摆成半圆形的椅子a semicircle of chairs这个村庄是由半圆形的茅舍组成的.The village was formed of semicircle huts....
Psychological twists perk up an otherwise predictable story line.心理转折使原本老套的故事情节变得生动有趣。House prices could perk up during the autumn.秋季房价可能上涨。Perk up a dark kitchen with a coat of paint.把昏暗的廚房油漆一下使它更亮堂....
野营的人们在架起篝火之前搜集了一大堆碎枝.The campers amassed a large pile of branches before starting their fire.要去野营的人请在大门口集合.Those who are going camping please gather at the gate.人们去野营的时候睡在帐篷里.If you go camping you sleep in tent....
Keep savings as a buffer against unexpected cash needs.存些积蓄以备不时之需。A little money can be a useful buffer in time of need.在急需时,很少一点钱就能解燃眉之急.Romantic love will buffer you against life's hardships.浪漫的爱会减轻生活的艰辛....