非 疫源地内未发现抗体阳性者.And the antibodies were not detected in healthy population of non - epidemic area.结论:长白山区是莱姆病重要疫源地,人群中有莱姆病感染存在,并有莱姆病发生.There are infections of Lyme disease among the mountain residents in Changbaishan.高原生物...
一年生枝浅黄褐色, 具椭圆形皮孔, 尤以叶柄附近为多.On one - year - old tawny sticks, with oval - shaped Pikong, especially near the petiole more.聚合果长椭球形, 长达13厘米, 直径约9厘米,外果皮有苍白色皮孔.Aggregate long ellipsoid, 13 cm long, 9 cm in diameter ; pericarp...
Here, three Santas forego their sleighs in favor of an underground commute.在这里, 三个圣诞老人放弃他们的雪橇有利于地下通勤.There’s nothing quite like a real train conductor to add color to a quotidian commute.没有什么能象一位现实中的火车售票员那样为日常的上下班交通线增加些色...
The old men blather on and on.这几个老头喋喋不休。Anyone knows that all this is blather.谁都知道这完全是废话连篇。He'll just blather about the subject for hours once he gets started.他一旦讲起这个话题来就喋喋不休说个不完....
By his own admission, he evaded taxes as a Florida real-estate speculator.他亲口承认自己在佛罗里达从事房地产投机生意时逃过税。'so the river - boat gambler and the speculator is going to be respectable!" 这么一来.那个驾河船的赌棍和投机家就要成为绅士了!The lifetime ...
Weeds are an index to the character of the soil.杂草是反映土壤特征的一个指标。The researchers suspect cutis is found in soil and water everywhere on Earth, except Antarctica.研究者猜测cutis存在于除了南极洲之外的土壤和水源中.Firstly, a strain secreting blue ...