您要查找的是不是：
- Hum the opening bars of your favourite tune. 哼一哼你喜爱的曲子的开头几个小节。
- Once installed, this heater operates automatically. 一旦安装好以后，这加热器就会自动地运行。
- She continued to hum the song over and over. 她一遍又一遍地不断哼唱那支歌。
- This heater needs a new element. 这个加热器需要一组新电阻丝。
- The heater in my car doesn't work properly. 我汽车里的暖气设备出了点毛病。
- He could hear the hum of the bees in the garden. 他听得见花园里蜜蜂的嗡嗡声。
- The only sound he heard was the hum of the machine. 他听到的唯一的声音就是那台机器的嗡嗡声。
- heater hum 丝极交流声
- You'll run up a huge gas bill if you leave the heater on. 热水器要是总开著，煤气费就很高了。
- Bees sip honey from flowers and hum their thanks when they leave. 蜜蜂从花中啜蜜，离开时营营地道谢。
- Charles makes things hum around that office. He's an excellent administrator. 查尔斯使那个办公室的气氛很活跃。他是个出色的行政人员。
- Things are starting to hum with activity. 气氛变得活跃起来。
- All around was a drowsy hum of insects. 到处是一片小虫的催眠似的嗡嗡声。
- Adopted quick heat and long life ceramic heater. 采用快速升温及长寿命陶瓷发热芯。
- He can hear the hum of the bee in the garden. 他听得见花园里蜜蜂的嗡嗡声。
- The air of the ball began to hum. 舞会的气氛开始活跃起来了。
- The heater can give off much warmth. 加热器能散发出热能。
- The house is fit up with gas and steam heater. 房子里装有煤气和暖气。
- We hear the hum of conversation from the next room. 我们听到隔壁房间嗡嗡的谈话声。
- She heard the hum of voices in the house. 她听见了屋子里的嘈杂声。
