沉、重 Wow, this bag is so heavy! How heavy is that box? 沉重 I said goodbye with a heavy heart, wondering if I would ever return.
浓重 The heavy fog is causing a lot of traffic problems. The heavy grey clouds indicate that a storm is approaching. The recipe calls for heavy cream. That was a heavy dinner.
大的、多的 Many houses were flooded due to the heavy rain. Traffic is always extremely heavy on Boxing Day. He’s a heavy drinker. Are you a heavy sleeper? Those found to be violating the law could face heavy fines.
口语讲解的很好,和生活很贴近,加油啊!