常见例句genus of weedy Old World yellow-flowered herbs usually containing a bitter-tasting substance: bitterweed. 旧大陆一个草本属，生长茂盛，黄花，常含苦素；美洲的几种含有苦素的植物的任一种。bitterweed poisoning 苦味植物中毒 返回 bitterweed