Conspicuously absent from that list are houseflies.

很明显，家并不在这份名单上。

They are not the same as the housefly.

丽和家是不一样。

Once a drop reaches five-to-six millimeters — that's about the size of a housefly — it'll go from bun shaped, to parachute shaped.

一旦雨滴达到 5 到 6 毫米 —— 这约是一只家小 —— 它会从面包形变成降落伞形状。

So she and colleagues did an experiment in which participants had to say how big a spider in a photo was on a scale from housefly to goat.

因此她和同事们进行了一项实验，参与其中试验者们必须说出照片中从家到山羊相小蜘蛛到底有多。