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

海龟的底部有龟甲。

2.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。

3.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。

4.They'll hang out like undersides of leaves.

它们喜欢在叶侧面。

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

琴弓在另一个鞘翅之下。

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

它的后背和肩膀浅灰棕色，下表面的颜色更浅。

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

我们会在叶的背面找到那些时髦的小气孔。

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

“么？” 罗恩很响的从鼻里哼出一口气，盯住上铺的底面。

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

这就么一些海洋生物在它们的身体下方有产生光的小器官。

10.But when they examined its undersides in the service yard, they discovered that part of its keel had been smashed.

当时没有法知道。后来到船坞检查了船底，才发现一部分龙骨折断了。

11.Clusters of tiny insects called aphids were to be found on the underside of the leaves.

结果在树叶背面找到成串的叫作蚜的小。

12.And moving a rig disturbs the organisms that have attached themselves to its underside, or jacket.

而且，移动钻塔会影响附着在塔周围的有机体。

13.And one of which comes from that flashy green light on the underside of your watch.

其中一个就来自手表底部闪闪发光的绿光。

14.It contains microscopic, fluid-filled tubules that run from the pulp to the underside of the enamel.

它包含微小的、充满液体的小管，从牙髓一直到牙釉质下层。

15.As the bat sips, the blood runs up a glue on the underside of its tongue.

蝙蝠吸食过程中，血液会像胶水一样贴在其舌头下面。

16.Clusters of tiny insects called aphides were to be found on the underside of the leaves.

结果在树叶背面找到成串的叫作蚜小。

17.Then, if sufficiently hot, their underside would melt to produce buoyant granite, leading to the first continental plateaus.

然后，如果温度足够高，它们的底部会融化，产生漂浮的花岗岩，形成第一个大陆高原。

18.She leans her head back, so that Ove stands there talking to the underside of her chin.

她高高仰着头，欧维冲着她的下巴颏说话。

19.The female has smaller antlers and four little bumps on her underside that look just like teats.

母鹿鹿角较小，而且腹部下边四个小凸起似乎就四个奶嘴。

20.As he rips back, he rips an enormous chunk of flesh from the underside of the arm.

它往后拽时，从其前肢下侧拽下来相当大一块肉。