例句與造句

1. Consumers should not allow misplaced fears about trace contaminants to become a barrier to achieving the 5 - a - day target
   消費者不應該任由因?qū)ι贁?shù)污染物的盲目恐懼而使之成為達到天天五蔬果目標的障礙。
2. Industries with particularly high potential exposures include : construction work involving welding , cutting , brazing or polishing on lead surfaces and application of lead solder ; most smelter operations either as a trace contaminant or as a major product ; secondary lead smelters where lead is recovered from batteries ; and firing ranges
   有機會接觸鉛的工作包括：在建筑業(yè)中，在含鉛的表面上進行焊接切割鍍焊或打磨粉飾以及使用鉛錫作焊接在采礦業(yè)中，提煉鉛或其他元素的工種在回收業(yè)中，把電池中的鉛再循環(huán)利用以及彈藥制造工作。
3. It's difficult to find trace contaminant in a sentence. 用trace contaminant造句挺難的