易混淆的单词： Burs

Brought out their burs and mosses .

取出他们的刺果与青苔。

Started sales of dental carbide burs .

硬质合金钻针开始销售牙科。

Detach a check from the checkbook ; detach burs from one 's coat .

从支票簿上撕下一张支票；取下大衣上粘附的东西。

He picked off the burs that had stuck to his overcoat .

他摘去粘在大衣上的芒刺。

Any of several erect biennial herbs of temperate eurasia having stout taproots and producing burs .

欧亚温带地区直立的两年生草本植物，具有粗大的主根和刺果。