That's the size of a silver dollar.

这就是银币的尺寸。

youdao

Most of the meteors are about the size of a grain of sand, but some can be as large as a silver dollar.

大部分流星只有沙粒大小，但有一些可以大到象一块银元。

youdao

She took from the back of her head, where it had been safely tied, a small package, not larger than a silver dollar, sewed up in silk.

这个不如一个银元大的小包裹是用丝绸缝制的，被安全地捆扎在脑后的发髻里。

youdao

At the Silver Dollar Bar, a long table is covered with more than two thousand shiny silver dollars.

VOA: special.2009.02.16

We would know as a fact that George Washington threw a silver dollar across the Rappahannock River, except that it's impossible.

我们知道乔治华盛顿曾将一枚银币抛过,拉帕汉诺克河,但这明显是不可能的

耶鲁公开课 - 古希腊历史简介课程节选

A silver standard would lower the value of the dollar.

VOA: special.2010.07.01

Next, he uses a v-chisel to make a trough around the circle, leaving a silver dollar sized center.

CNN: Carving up a spooky Halloween

For an Intel Pentium II, the package is a square of plastic 1.2 inches on a side and as thick as a silver dollar.

FORBES: It's all in the packaging

The Coinage Act of 1834 changed the content of the Eagle to 23.2 grains while leaving the silver dollar unchanged producing a ratio of 16:1.

FORBES: 2012: Good Money And Jobs vs. Easy Money And Stagnation