英语翻译ultrasonic degating这是什么意思?To have a nice and good cut wi

Good luck and have a nice day!_____ _____ to you. 英语翻译have a good time doing sth 和be nice to sb（翻译成中文） good night and have a nice dream ,see you good night! have a nice dream!中文是什么意思呀 have a good dream a nice 英语翻译翻译这句,Have a good day and ill talk to you later 句子大意明白 主要 Have a nice vacation是什么意思 have a nice dinner是什么意思 have a nice sleep.是什么意思? It is a good to be near one's friends and be never cut off b 英语翻译How are you today?I have been good,It was nice and sunny Good morning!Have a nice weekend!Lily