常用工具
有声词典
语法查询
拼写检查
更多工具
软件
首页
动画
Flash
文章
软件
例句
1
1. Some
viruses
incubate very rapidly.
有些病毒繁殖得很迅速.
2. Much later, scientists discovered
viruses
.
过了很久以后,科学家发现了病毒。
3. Meanwhile, another powerful killer of bacteria and
viruses
was discovered, again by accident.
与此同时,人类又发现了一种杀灭细菌和病毒的有效药物,这次也纯属偶然。
1