plant vires的用法和樣例：
例句
- Plant viruses are transmitted in various ways, most importantly through insect bites, mainly by aphids and plant hoppers.
植物病毒傳播方式有多種，最重要的為透過昆蟲叮咬，主要是蚜蟲和葉蟬。 - New variants of some plant viruses have been produced artificially in the laboratory by treating pure virus strains with mutagens.
用亞硝酸之類的誘變處理純病毒株系，能在實驗室內人為地使有些植物病毒產生新變種。
