They are probably a third of the size of a grain of rice.

它们大概有一粒米的三分之一大小。

Half a billion years ago, there existed a wormlike creature the size of a grain of rice.

5亿年前，生存着一种体型如米粒大小的蠕虫状生物。

The ancient form of the character " Sheng" could be interpreted as a grain of rice sitting on a spoon.

甲骨文的“升”字就像一把长勺里加了一粒米。

Each microchip is about the size of a grain of rice.

每个微芯片大约有一粒米那么大。

And these stylish-looking leaf-cutter bees found in the western U.S., some of these bees are as small as a grain of rice.

这些在美国西部发现的时髦的切叶蜂，其中一些蜂只有一粒米那么小。

Lerman thinks that's because most of the bees she found were tiny native sweat bees, roughly the size of a grain of rice.

勒曼认为，这是因为她发现的大部分蜜蜂是体型较小的本土汗蜂，这种蜜蜂的大小和一粒米差不多。

Captain Moore and his team spent months trolling the south Pacific collecting samples from large objects to plastic the size of a grain of rice.

KINKADE：摩尔船长和他的团队花了几个月的时间在南太平洋巡航，从大型物体到米粒大小的塑料收集样本。

X-rays uncovered a 30 million year-old species of parasitic wasps about the size of a grain of rice that even way back then was feeding on ancient flies.

X 射线发现了一种有 3000 万年历史的寄生蜂，大约一粒米那么大，甚至在很久以前就以古老的苍蝇为食。

Each bug is about as big as a grain of rice, so you have to collect, dry, crush, and process tens of thousands of them for each kilogram of cochineal dye.

每只虫子大约有一粒米那么大，所以每公斤胭脂红染料必须收集、干燥、粉碎和加工数万只。