preservative造句
Salt is a
preservative for meat.
盐是肉类的防腐剂.
Every piece of timber was planed, cut to size and stained with cedar
preservative.
每根木材都被刨平了，切割成一定尺寸，并涂上了雪松防腐剂。
Clearly aqueous
preservative systems must possess a fixation mechanism.
显然,水溶性防腐剂必须有固定的历程.