Hints： trichome n. [細(xì)菌][微] 毛狀體 只聽寫例句。前面的單詞不用聽寫。
The external surfaces of plants often carry spiky hairs known as trichomes, which either prevent feeding by insects or may even puncture and kill insect larvae.
植物表面常有絨毛狀的刺兒，它可以防止被蟲蛀，甚至可以殺死幼蟲。 ——譯文來自: lvbufan