The spider must wait for prey to be ensnared on its web.蜘蛛必须等待猎物被它的蛛网困住。Wizards and templates can help you create brochures, calendars, and Web pages.向导程序和模板可以帮助你创建手册、日历和网页。Yahoo is the oldest and best-known Web director...
My tireless little cilia make about ten sweeping strokes a second.我那不怕疲劳的小纤毛每秒钟约做10次清扫动作.Healthy, skin, mucous membranes, and cilia are natural barriers to many viruses.健康的皮肤, 粘膜和纤毛是许多病毒的天然屏障.Epithelium can also bear cil...
An elevator mechanic can work the machinery directly by turning this lever.电梯修理工可以转动这根杠杆直接操作机器。Press the lever until you hear the catch engage.压下挡杆，直到听到挡挂好。I put the coin in the machine and pulled the lever.我把硬币投入机器，拉动控制...