Many countries are stockpiling the anti-iral drug with the hope that it will be able to lessen the effects of an influenza pandemic if and when one strikes.是什么意思_Many countries are stockpiling the anti-iral drug with the hope that it will be able to lessen the effects of an influenza pandemic if and when one strikes.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句