例句與造句

1. 6 . usage : it can be used to make red phosphorus, phosphoric acid, carbon pentoxide, phosphorus trichloride, and so on, and other phosphorus compounds . used as raw materials for organic phosphorus pesticide . used to make military signal bombs and smoke bombs
   6.用途：用于制造赤磷磷酸五氧化二磷三氯化磷五硫化二磷三氯硫磷和磷的其他化合物，可供制造有機磷農(nóng)藥的原料。
2. It's difficult to find signalling bomb in a sentence. 用signalling bomb造句挺難的