1.
one needle carried white thread and the other black.
一根绕着白线，另一根绕着黑线。
2.
sometimes she sews it with white, and sometimes she sews it with black.
有时她用白线缝，有时又用黑线。
3.
Note that barcodes are made up of both black and white lines. The white spaces in between the black lines are part of the code.
首先，要注意的是条形码是由黑线和白线组成的。两条黑线间滴白线也是编码的一部分。
4.
now that he had settled with Sid for calling attention to his black thread
希德让波莉姨妈注意到他的黑线，
5.
The police found black thread of selling pirated compact disks.
警方发现了销售盗版光盘的黑线。
6.
Use "Black Line Drawing" for originals containing black and white line art.
原稿包含黑白线条时，请使用“黑色线条”。
7.
relative darkness caused by light rays being intercepted by an opaque body.
由于光线被拦截而黑暗。
8.
Hazen-Williams diagram
黑曾-威廉斯曲线图
9.
"The red lead (with the in-line fuse) of the supplied power cord is to be a "hot"(positive) wire, and the black lead to ground."
电源线中的红色导线(有保险丝)是"火线"(正极),黑色导线是接地线
10.
A string of gunpowder that acts as a fuse for exploding a charge.
导火线一段黑色火药线，用作引爆炸药的引信
11.
Black-white Line Detection Device Based on Double-hyphen Line Laser
基于一字线激光黑白线探测装置的设计
12.
Analysis and Process Control of Black and White Lines in X-ray Films of Turbine Blades
涡轮叶片X射线黑白线显示缺陷的工艺控制
13.
Design of 5,000 Bottles/h Aseptic Hot Bottle-filling Pipelining of Black Rice Wine
黑米酒5000瓶/时无菌热灌装线流水线的设计
14.
e.g. As evening came the coastline faded into darkness.
随着夜幕的降临，海岸线消失在黑暗中。
15.
cloud has a silver lining.
天无绝人之路, 黑暗中常有一线曙光。
16.
Connect black lead to metal point on car chassis.
连接黑色导线到汽车底盘的金属点上。
17.
blackbody radiation curve
绝对黑体辐射光谱分布曲线
18.
Black polyethylene compounds for wire and cable
GB15065-1994电线电缆用黑色聚乙烯塑料