1.
They have beaten the aggressors black and blue.
他们把侵略者打得焦头烂额。
2.
I was hard pressed to meet the deadline.
我为赶上截止时间而焦头烂额。
3.
autofocus zoom lens
自动聚焦变焦距镜头
4.
long focus lens
长焦距（望远）镜头
5.
Focal length: The distance between the centre of a lens and its principal focus.
焦距:镜头中心与其主焦点的距离。
6.
Don't forget to focus the lens.
别忘了调节镜头的焦距。
7.
manual zoom lens
(镜头)手控可变焦距透镜
8.
It has a built-in zoom lens as well.
它也有内置的变焦镜头。
9.
the ratio of the focal length to the diameter of a (camera) lens system.
相机镜头直径焦距比。
10.
Anxiety turned his hair white.
焦虑使他的头发变白了。
11.
auto iris zoom lens
自动光圈变焦距镜头
12.
This is a long focus lens.
这是个长焦距镜头。
13.
The Study of Zoom Telephoto Lens and Single Lens Reflex;
长焦连续变倍单镜头反光照相镜头技术研究
14.
David nodded his head. He had reached the breath saving stage
戴维点点头，现在正是口干唇焦的时候。
15.
Types and dimensions of prefocus caps
GB/T2800-1981预聚焦式灯头的型式和尺寸
16.
Camera focuses on the face below it.
（镜头聚焦到它下面的一张脸上。
17.
A burning forehead, and a parching tongue.
没有炽热的头脑，焦渴的嘴唇。
18.
back focal distance
【光】后焦距﹝指镜头与菲林间的距离﹞