复数： beads
易混淆的单词： BEAdBEAD

Since then the researchers have reduced the bead 's size to about 250 micrometres .

自那以后研究者已经将珠子的尺寸减小到大约250微米。

Think of every positive experience during the day as a bead on a string , and see how they add up .

想到一天中每个积极的体验，就象一根线上的珠子，看看它们是怎么累加的。

Common sense says that the pyramid should be most stable when the bead is at the bottom of the post , like ballast in the hold of a ship .

按照常识，珠状重物位于该杆底部时金字塔应最稳定，就像船只用镇重物保持稳定那样。

In dr toyabe 's experiment , the jolt that moved the bead came from molecules in the liquid buffeting it at random .

在鸟谷部博士的实验中，使珠子产生运动的撞击来自于液体中运动分子的随机碰撞。

The toy would only take the bead pair horizontally , but despite this , the children held the bead pair vertically to test each bead separately .

只能将成对的珠子平放在玩具上，但尽管如此，孩子们还是将对珠竖起来逐个单独测试。