symptomless

基本解釋

So people now thought symptomless may not be quite as symptomless as they seem.
因此現(xiàn)在被認為沒有癥狀的人也許并不象他們看起來的那樣完全沒有癥狀。
But high initial death rates often fall as officials find that the causative microbe also causes mild, even symptomless cases.
常常開始有高死亡率，像官方發(fā)現(xiàn)的，致病微生物也能引起輕微的，甚至是沒有癥狀病例。
Vivax, by contrast, hides in the liver. An individual infected with it may remain symptomless for several years and then relapse.
相反，間日瘧隱藏在肝臟中，受感者毫無癥狀地生活幾年后復發(fā)。