It will show up better if I make the whole thing with double lines.

“我把几个字都线，它们就更醒目了。”

Then she carried the line down, so that she had a double line instead of a single line.

然后拉着丝往下爬，这么一来，这个字就不是单线而是线了。

Don’t park your car on double yellow lines.

【double】不可以在黄线处停车。

And just when it seemed all four were safely across, one of the cubs made a break for it crossing the double yellow line.

就在四只幼崽似乎都安全通过马路的时候，其一只幼崽冲过了黄线。

Outside, just below his eyes, the carriages and motor-cars rolled along in parallel furrows, marked by the double line of refuges. A bright spring sun made the brass-work and the varnish gleam again.

外面，就在他的眼睛下方，马车和汽车在平行的犁沟，以线避难所为标志。明媚的春日让黄铜制品和清漆再次闪闪发光。

Good morning Madam. Did you realize that your car is parked on a double yellow line? This is no-parking area and you are disrupting the traffic. I'm afraid I'm going to have to give you a parking ticket.

早上好太太。你知道你的车停在黄线上吗？这是禁止停车区，你正在扰乱交通。恐怕我得给你一张停车罚单。