An experimental investigation on purification of ethylbenzene waste gas a biofilter packed with ceramic pellets.以陶粒作为生物过滤床的填料净化含乙苯废气.Extraction and purification of cytisine from the seeds of thermopsis lanceolate were st...
长久以来，市场有一块巨大的空白。For too long there was a huge gap in the market.他帮我们填满知识上的空白.He helped us to fill in a big gap in our knowledge.这有助于弥补我们知识上的空白.This will help to fill a vacancy in our knowledge....
Northern Kentucky is likely to get snow mixed with sleet.肯塔基州北部可能有雨夹雪。The wind began to build and the sleet to blow about.风开始大起来了,雨雪四处飞扬.Driving sleet brought more problems to roads last night.昨晚的雨夹雪给道路带来了更多的问题....
...how the local forces were trying to tailor their policing style to increase public confidence.地方部队如何努力调整治安维护方式以增强公众信心I feel that not enough is being done to protect the local animal life...我觉得对当地野生动物的保护力度不够。According ...