Wasterful
a. 使无用的；浪费
🗣️ 情景例句
Good morning. Restaurant Service. May I help you?
早上好，餐厅服务部，能为你效劳吗？
Reason binds the man.
理智约束著人。
Once the existence of this wave-length had been discovered,
一旦这种波长的实际存在被发现，