Nicopyron
烟胺比林
🗣️ 情景例句
Don't be lazy, the older you get, the harder it will be to learn.
别偷懒，年纪越大，学起来就越难。
We kept on discussing the problem for four hours.
我们持续讨论那个问题达四小时。
We'd like to recommend our new home health monitor.
我们想推荐我们新的家庭健康监测器。