释义
ad. 与此同时
n. 其时,其间
例句
1. You buy the fruits, in the meantime I'll cook breakfast.
你去买水果，同时我来做早餐。
2. Physicists are studying new ways of generating electricity with less damage to the environment. In the meantime, many power plants are being modernized to give off less polluting material.
物理学家们正在研究对环境危害少的发电新方法，与此同时，许多发电厂也在实现现代化以减少污染物质的释放量。