proprotions造句

例句与造句

1. Some of these may be used in different proprotions in different products, while sometimes cleaning products are incompatable for safety reasons ( never mix ammonia and bleach, for example ) .-- 32 " "'19 : 59, 6 October 2010 ( UTC)
2. It's difficult to find proprotions in a sentence. 用proprotions造句挺难的