常見(jiàn)例句genus of weedy Old World yellow-flowered herbs usually containing a bitter-tasting substance: bitterweed. 舊大陸一個(gè)草本屬，生長(zhǎng)茂盛，黃花，常含苦素；美洲的幾種含有苦素的植物的任一種。bitterweed poisoning 苦味植物中毒 返回 bitterweed