The zenith of Perugia's influence came with the defeat of Siena in 1358.1358年击败锡耶纳之后佩鲁贾的影响力达到了顶峰。The sun rises, reaches its zenith and sets.太阳升起，达到最高点，然后落下。Our chart shows Auriga for around midnight, when the pentag...
她轻轻拍了拍莫娜，小心翼翼地，生怕弄乱她的戏服。She patted Mona, taking care not to disturb her costume.不要把箱子下面那几叠床单弄乱了。Don't upset the piles of sheets under the box.他伸手弄乱了我的头发。He reached out and mussed my hair....
On Sunday Cohen lay around the house all day.科恩星期天一整天都在家无所事事。I didn't so much as catch sight of him all day long.我一整天都没见他人影。All day she had fought off the impulse to telephone Harry.她一整天都在克制自己想给哈里打电话的冲动。...
当压力改变时,阀帽容易上下移动.Bonnet tendency to move up or down as pressure changes.阀帽: 不需要将阀门从管路中拆除,就可以进入维护铰链和阀瓣.Cap: permits access to hinge and disc without removing valve from line.止回阀标签通常安置在阀帽的边缘上.Check valve tags are typically ...