一圈

With a double-thread screw ,the nut motion is two pitches ,and, in general,the motion of the nut per screw rotation will be the lead(the pitch times the number of threads).

对于双头螺柱，螺母移动两倍的螺距，通常螺栓旋转一圈，螺母移动的距离为导程。

If you keep your lacertas outdoors, make sure to put an underground wall around their enclosure both to prevent the lacertas from digging their way out and to prevent moles from digging their way in.

如果你在户外饲养捷蜥，那么你必须在饲养区域的周围设置一圈地底的围墙，防止捷蜥挖洞逃走，并防止鼹鼠挖洞进去。

In the next section, plant some above ground artichokes that will flower and produce a lovely fruit.

在下一圈种植长出地面的洋蓟品种，它会开花并结出可爱的果实。

In the next section, plant some Jerusalem artichokes interspersed with white, yellow or red potatoes.

在下一圈种植一些洋姜并间或点缀一些白/黄/红马铃薯。

Use separate slings for your climbing and haul lines, and coil each rope butterfly-style as it comes in, draping arm-length bights of rope over alternating sides of the sling.

攀登和拖拉绳要用不同的绳套来分开，当绳子收上来的时候要在堆栈上每一圈都要分两边摆好，每边垂下来一个手臂的长度。

Thank all of you to help me in chucking the buffoons. Many elderships were old enough to be my father. The slapstick has been gone. All these are over now.

很多长辈的年龄都足以做我的父亲了，好了，大家热闹也热闹过了，热闹过后，江山不改，星空依旧，地球还是24小时转一圈。

I didn't find what I want to buy and found the queue which waits at the cahier is also impressive. I estimated they must waste the whole morning to queue, buy and pay. I don't know whether they worth doing so.

转了一圈没找到要买的东西，在出口处发现交钱的队伍也很壮观，估计等好久才能交上钱，初步算了一下，从排队买油到交钱，大约这一早就要荒废了，而这些人宁愿在这里排队为了节省一点钱，不知道他们这样做值不值。

Morning, I stroll around in a circle inside the cell and found everywhere in full bloom with beautiful magnolia and camellias, is so eye-catching.

上午，我在小区里逛了一圈，发现到处都盛开着漂亮的玉兰花和山茶花，是那样夺人眼球。

It can be distinguished from other congeners by having a coiled, ribbon-shaped embolus and a spatulate tibial apophysis widened distally and densely covered with fine denticles on its distal end.

铲形马蒂蛛雄蛛触肢之插入器为带状，末端回转一圈，并且触肢胫节突起呈铲形，末端扩大、截平，并有细齿状突起，与本属其他种类可资区别。

It can be distinguished from other congeners by having a coiled, ribbon-shaped embolus and a spatulate tibial apophysis widened distally and densely covered with fine denticles on its distal end. The female remains unknown.

铲形马蒂蛛雄蛛触肢之插入器为带状，末端迴转一圈，並且触肢脛节突起呈铲形，末端扩大、截平，並有细齿状突起，与本属其他种类可资区别。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。