The bacteria were growing in a sugar medium.

　　細菌在糖基中生長。

　　The media play a major role in influencing people's opinions.

　　媒體在影響輿論方面發(fā)揮著重要作用。

　　The news programme came to us via satellite.

　　新聞節(jié)目是通過衛(wèi)星傳送到我們這里來的。