fly sheet

基本解释

A tent consists of poles, pegs and a fly sheet .
一顶帐篷由插杆、木栓和篷顶布组成。
She held a spear in her hand and as the other girl let fly the sheet , bringing the canoe almost to a halt three yard from them, she was all poised to throw.
她手里拿着一杆标枪，等另一个姑娘松开帆脚索、把船几乎停在离他们三码远的地方，她就准备把梭镖投掷过来。
Of course the emphasis will be on the attackers when six goals fly in during the first 90 minutes, the defence however will quietly be just as delighted with a clean sheet.
当然，首战90分钟攻入六球会让进攻球员们受到更多的关注，人们只会对后卫们完成一次“安静”的零封感到基本满意。