In some cases there is a mini-mum age limit.有些情况下有最低年龄限制。Many areas in the country'sinterior are unable to report Aids cases immediately.该国内地的很多地区无法即时报告艾滋病病例。Some cases of arthritis respond to a gluten-free diet.无麸质...
这团凝固的污物堵塞了过滤器。This congealed muck was interfering with the filter.过滤器无法过滤掉水中的所有污染物。Filters do not remove all contaminants from water.过滤器会滤掉水中的大部分杂质。A filter will remove most impurities found in water....