初中英语阅读理解 时文阅读题 基孔肯雅热
The disease gets its name from a word in an African language, meaning "to bend up," because severe joint pain often makes patients
The disease gets its name from a word in an African language, meaning "to bend up," because severe joint pain often makes patients
蚊子本就可以从水中获取溶解氧。看起来,这是通过体壁扩散进行的。蛹里的蚊子,无论发育到什么阶段(包括题述的“已经是成虫”),都能继续通过扩散获得溶解氧,只是在蛹壳里扩散的效果会比幼虫差。
Mosquito season is fast approaching, but instead of reaching for the insectrepellent (驱虫剂)sprays (喷剂) andlotions(护肤油), Canadians m
好在,大多数蚊子叮咬之后只是令人不适,传播疟疾、黄热病和登革热等疾病的风险不是很大(除非是特定地区)。但蚊子叮咬后的瘙痒,真的太难受了!
夏天来了,气温高、雨水多。蚊子也开始整夜“嗡嗡嗡”,一晚上被叮好几个“包包”,痒得人根本睡不着!好在,大多数蚊子叮咬之后只是令人不适,传播疟疾、黄热病和登革热等疾病的风险不是很大(除非是特定地区)。但蚊子叮咬后的瘙痒,真的太难受了!