Lcv
abbr. low calorific value 低发热量，低热值
🗣️ 情景例句
By this time next week we shall be in London.
下星期的这个时间我们将在伦敦。
We know not what is good until we have lost it.
有的时候不爱惜，失了以后空叹息。
Sally was very excited because she had never travelled on a train before.
萨莉非常激动，因为她从未乘过火车。