r开头b结尾的单词

r开头b结尾的单词不多，有;

rhubarb n. （植物）大黄，n./v. 喧闹;

rib n.肋，肋骨;

rob vt.掠夺；抢劫;

rub vt.&vi.摩擦

Appearance and Physical Property of Rhubarb Water Extract by Different Drying Methods

不同干燥条件大黄水提物的外观及理化性质比较研究

Objective To study the effect of rhubarb on gastrointestinal dynamics.

目的研究大黄对胃肠动力学的影响。

I rubbed at the stain on the cloth.

我擦了擦布上的污渍。

It sounded like two pieces of wood rubbing together.

听起来就像是两块木头在一起摩擦。