1.The cheap, used irrigation gear he could finagle leaks more than it irrigates, leaving mosquito pools that qualify this farm as malarious.
他能搞到的便宜二手灌溉机泄漏的水比用于灌溉的还多，而蚊患水池使得整个农场痢疾肆虐。
2.You should start taking the drugs before the trip, continue throughout the journey and for four more weeks after leaving the malarious area.
这些药物须在出发前开始服用，并在旅程中继续服用，直至离开该地区后的四个星期。
3.therefore , pregnant women should not visit malarious areas unless this is absolutely necessary.
故此，如非必要，孕妇应尽量避免前往疟疾流行的地区。
4.The red cells for the adsorption were obtained from donors who had come back from malarious areas.
用来吸附的红细胞来自疟疾流行区的捐赠者。