This tenacious, Stoic race knows all too well the rigors of living in the harsh and often deadly wastes of Northrend.
这个坚韧不拔、意志顽强的种族对诺森德大陆上条件严酷到经常致命的生活了如指掌。
By infecting the mice with strains of the dengue virus, investigators can study how the disease takes hold and what factors might cause the more serious and often deadly dengue hemorrhagic fever.
使老鼠感染登革热,通过这一过程,科研人员就可以研究登革热的传播特点,并探究究竟是哪些因素导致了较为严重,通常会致人死命的出血性登革热。
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