basic conditions in parasltlc epidemiology寄生蟲病: parasitic disease; parasitos ...流行: prevalent; popular; fashiona ...的: 4次方是 The fourth power of 2 i ...基本條件: main conditions elementary; ...影響寄生蟲病流行的因素: major factors influencing the epidemic of parasitic disease下載手機(jī)詞典可隨時隨地查詞查翻譯
