I heard a scurry of footsteps.我听到急促的脚步声.Busy boasts chug and scurry about the river - racy speed boat, stolid, snorting tugs.繁忙的船只在河上鸣叫着来来往往 - --高速快艇和笨头笨脑喘着气的拖驳.The rats scurry around, searching for scraps of food in the...
Swimming is probably the best form of exercise you can get.游泳或许是现有的最佳锻炼方式。There was swimming and sailing down on the lake.有人在湖上游泳和扬帆。Dangerous undertows make swimming unsafe along most of the coastline.由于存在着危险的下层逆流，在大部分海...