常见例句双语例句Bacillus thuringiensis is a kind of widely used biotic pesticide, which produces a poisonous parasporal crystal along with producing the spores.苏云金杆菌是一种广泛应用的生物农药，苏云金杆菌在形成芽孢的同时，产生具有毒杀性的伴孢晶体。 返回 biotic pesticide