Align the ruler and the middle of the paper.

使尺子与纸张的成一条直线。

The wall is projected in the middle.

这堵墙壁在凸出。

The ranch is in the middle of a large plateau.

该牧场位于一个辽阔高原的。

The riots swept the industrial north and midland.

暴动席卷了工业化的北和地区。

Stamens 4, didynamous, inserted at middle of corolla tube, slightly exserted.

雄蕊4，，稍外露的二强雄蕊，着生的在。

We suggest that posterior vertebrectomy through the pedicle of vertebral arch is the most safely way.

③后入路截骨选择经过椎弓、椎体截骨损伤血管最少。

Vardar Valley wines come from the Tikves Vineyards of central Macedonia, where quality grapes are grown.

沃尔泰葡萄酒来自马其顿,盛产优质葡萄的泰克沃斯葡萄产区。

A barrel swells in the middle.

水桶隆起。

Y chromosome has two types of polymorphism:metacentric (or submetacentric) and acrocentric chromosomes.

染色体有(或亚)和近端着丝粒染色体。

Our cabin is amidships.

我们的舱房在船。

The acrosome in the head was spheral in shape, and there was only one mitochondria in the mature sperm.

染色质凝集成团块状，不发达，线粒体融合成1个环绕。

INSIDER TIP：Spirals should also start lower on the head. This leaves the top of the head smooth, so you avoid the dreaded pouf.

小螺旋也应该从头发开始。这样头顶看上去就平滑了，而不会臃肿地蓬起。

He began skiing as a child in the Cairngorm mountains, in central Scotland, and even remembers taking home a Thermos flask of snow as a souvenir.

他从小就开始在苏格兰的黑水晶山脉（凯恩戈姆山脉）滑雪，甚至记得曾将一暖壶雪带回家作为纪念。

There is only one known species of primate that still has a functioning third eyelid, and that is the Calabar angwantibo (closely related to lorises) which lives in West Africa.

半月皱襞是长在耳朵上和连接处的一个很小的细长瘤。

Ground meristem The central region of the apical meristem from which the ground tissues of pith, cortex, medullary rays, and mesophyll differentiate. In root meristem it is also called periblem.

位于顶端分生组织的，髓、皮层、髓射线以及叶肉这些基本组织均是由基本分生组织分化而成。根分生组织也称为皮层原。

Is injured the concrete spot is the left leg os naviculare, located at the foot bone inside behind, the role which plays is connects the ankle area and middle the foot bone.

受伤的具体位是左脚舟骨，位于脚骨内侧后，所起的作用是连接脚踝和脚骨。