打瞌睡

But it seems that it is not a good time to write and study because I doze off a little usually, just like I am doing now.

不过这看起来不是个写作和学习的好时间，因为我通常都有些打瞌睡了，就像现在一样。

While waiting at the construction site, Jack begins to doze off.

在建筑工地等候的时候，杰克开始打瞌睡。

Made with cheap wood can be used to put bags,make homework and can be used to doze off.

用廉价的木料制成的，可以用来放书包，做作业，困了也可以用来打瞌睡。

The whole process really took to long.. and I doze off… haha

整过过程真的花很长时间，我都打瞌睡了，哈哈

When do you doze off ?

你什麼时候会打瞌睡？

I think i'm gonna doze of while

我想我会打瞌睡步行到登机口。

He closed his eyes and seemed to doze.

他闭上眼睛，好像在打瞌睡。

I am prone to doze in the afternoon classes.

我很容易在下午的课打瞌睡。

I was just about falling into a doze when you telephoned.

我正想打瞌睡时，你的电话来了。

The device, small in size, can be installed in the drivers' cab, which hasn't any side effect on driving. During the drive, the device captures the real-time parameter of driver' blinking frequency as well as the parameter of driving duration. Then the PERCLOS value is calculated to judge whether a driver is drowsing off or not.

该装置体积小，可安装在驾驶室内驾驶台上，完全不影响驾驶员正常的驾驶活动，行车过程中实时获取驾驶员的眨眼频率和眼睛持续闭合时间等与疲劳相关数据，计算 PERCLOS 值判断驾驶员是否打瞌睡。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐