A buoy is that little object, basically, floating in the water.

浮标基本上就是漂浮在水面上的体。

A meteoroid is just a fancy science word for a small object floating around in space.

流星体是一个高大上的科学术语，指漂浮在太空中的体。

The spacecraft shot a small object into the soil and used a tube to gather the material.

隼鸟2号将一个体击入土壤之中，还通过试管收质。

Hunting for smaller ones meant tinkering with the software to boost its ability to detect tiny features.

寻找较体意味着对软件进行升级，以提高其检测微特征的能力。

For such small objects, this is reasonably simple.

对于如此的体，这是相当简单的。

Officials said the device extended a long arm toward the asteroid and fired a small object into its surface.

相关人士称，该设备将长臂伸向行星并向其表面发射一个体。

A pill is a small, rounded object that contains medicine.

" pill" 是其内含有药的一种圆形体。

I noticed that the heavier objects went down more quickly than the smaller, lighter ones.

我注意到较重的体比较、较轻的体下落要快。

We think smaller objects formed first, clumping together into larger and larger structures.

我们认为它是先形成较的体，然后聚在一起形成越来越大的结构。

Here's how you play. Players form a circle and toss a small object quickly to each other while music plays.

这是这个游戏的玩法。参与游戏的人围成一圈，在音乐播放时迅地将一个体抛向彼此。

The spiky muscles at the end of the trunk act as fingers to pick up smaller objects.

鼻头处的刺状肌肉就像手指一样，可以抓起较的体。

You know what birds like? Small objects.

-你知道鸟儿喜欢什么吗？体。

And third, the pull of that gravity must be strong enough to clear small objects out of the way of its orbit.

第三，其重力能够清除自身轨道上的体。

It's thought we have 39 trillion of these simple, small organisms in our body.

据说，我们体内有39万亿这种简单的生体。

The MacMillan Dictionary defines doohickey as something such as a small object or tool that you cannot remember the name of.

《麦克米兰词典》定义doohickey为“一些你想不起名字的体或工具。”

It's strong enough to manipulate small objects, but flexible enough to fit through narrow spaces.

它的强度足以操纵体，但又足够灵活以适应狭窄的空间。

All of this plastic originated from one small object— that isn't even made of plastic.

所有这些塑料都来自一个体——它甚至不是由塑料制成的。

Exercise 2.1 One It's a small object and it's about 7 to 8 cm long.

Exercise 2.1 One 这是一个体，大约有7到8厘米长。

Fittingly, this niche displayed one small object.

恰如其分的是, 这个利基展示一个体。

There are less dense objects in space, too, like gas clouds, and the way they emit light is different.

太空中也有密度较的体，比如气体云，它们发光的方式也不同。