难检字字典在线查询

汉语拼音：xiàng pí quān

1.供练习游泳用的救生圈。用橡胶制成，内充空气，有浮力。

1. 供练习游泳用的救生圈。用橡胶制成，内充空气，有浮力。

• pulleys are wheels with a groove around the edge , and belts are the rubber loops that fit in that groove.

  滑轮是轮缘有凹槽的轮子，皮带是可以放进这个凹槽的橡皮圈。

• However, elastomer is not an ideal resilient subject. Force decay is significant and it is called attention in orthodontic clinic.

  弹力橡皮圈并不是非常理想的弹性体，弹力衰减是临床应用中的重要问题。

• An O-section rubber ring placed on the dolly is a simple means of retaining the bushing in position.

  在冲帽上放置O型橡皮圈，是不让轴套移动的一种简易方法。

• For slides, use a rubber band to hold a piece of colored cellophane over the projector lens.

  就幻灯片而言，可以用橡皮圈把彩色的玻璃纸固定在放映机的镜头上；

• The body is built from balsa wood, and the wings powered by a wire crank driven by a rubber band.

  燕尾蝶的身体是用轻木做的，而翅膀的动力来源为用橡皮圈驱动的金属曲柄。

• Let us suggested one thing, that it will may be better for you to arrange accessories such as spindle tapes, rubber band and so on.

  首先，我们觉得让你去安排那些诸如针带，橡皮圈之类的鉓品比较妥当。

• ANYONE who has fired a rubber band across the office or classroom will know the joy of storing and releasing kinetic energy.

  所有在办公室或教室用橡皮圈弹弓的人都体会过动力制能的快乐。

• Imagine, by contrast, an elastic band that passes through the hole in a doughnut.

  而相比之下，试想一下橡皮圈若是与油炸圈饼相扣的话。

• If this band is slowly shrunk, it becomes necessary to cut the doughnut or break the band.

  一旦橡皮圈慢慢的收缩，那么后果只能是或者圈饼被切开，或者橡皮圈自己被破坏。