Calcium may aid in the prevention of colon cancer.钙可能有助于预防结肠癌。Here, too, the colon must be followed by a dash.这里也是一样, 应当在冒号后加破折号.Dr Lee believes that men who exercise can halve their risk of cancer of the colon.李医生相信，锻炼身...
A workman was plucked from the roof of a burning power station by a police helicopter...一名工人被警用直升机从着火电站的屋顶上救了出来。You've plucked your eyebrows at last!你终于修了眉毛！Rough hands plucked at my jacket.一双粗糙的手拽着我的上衣.Please prune...