A plastron is the underside of a tortoise or turtle's shell.

海龟的底部有龟甲。

Within moments they had located a hole two meters in width on the steamer's underside.

一会儿，他知道船底有一个长两米的大洞。

They'll hang out like undersides of leaves.

它们喜欢在叶子侧面。

The melody almost like someone tickling the underside of your chin while feeding you Crocker covered strawberries.

这段旋律就像有人在喂你吃克罗克覆盖的草莓的时候，然后挠你下巴的痒痒。

Underside of the gills are even brighter purple.

菌褶的下面是更深的紫色。

The bow is located on the underside of the opposite elytron.

琴弓在另一个鞘翅之下。

His back and shoulders were grayish brown, while his undersides were lighter.

它的后背和肩膀是浅灰棕色，下表面的颜色更浅。

And we'll find those funky little stomata on the underside of the leaf.

我们会在叶子的背面找到那些时髦的小气孔。

" What? " Ron snorted as he stared up at the underside of the upper bunk.

“什么？” 罗恩很响的从鼻子里哼出一口气，盯住上铺的底面。

That's why some sea creatures have little organs on their undersides that produce light.

这就是为什么一些海洋生物在它们的身体下方有产生光的小器官。