Originally they were round pieces of metal with a hole in the center, so that a piece of string could keep them together.

最初它们是圆圆的金属片，中间有一个洞，这样一根绳子就可以把它们串在一起。

youdao

This goes together with planning: you turn a big and hairy project into a set of small furry balls you can always keep under control.

这与计划是相辅相成的：你要把一个庞大而棘手的项目变成一堆你总能控制住的毛茸茸的小球。

youdao

I can ride it together with other kids to keep healthy. It's full of fun.

我可以和其他孩子一起乘坐它来保持健康。有趣极了。

youdao

The majority leader of the Senate and the Speaker of the House of Representatives, together with the chairmen of committees,keep the business of Congress moving.

VOA: special.2009.11.01

Coherence can be overrated, especially when set against the need to keep together two parties with radically different takes on Europe.

ECONOMIST: Britain and Europe: No laughing matter | The

Owners should also keep a list of tools, together with serial numbers in case they needed to be identified later, the force added.

BBC: Thefts from South West farms cost ?8.3m

But because of the decision to ring-fence the massive health budget from real cuts (together with a commitment to keep raising overseas aid), the cuts in the unprotected areas will be 25%.

ECONOMIST: Britain's emergency budget