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。
- She continued to hum the song over and over. 她一遍又一遍地不断哼唱那支歌。
- 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 washer for preventing leakage is broken. 那个防漏的垫圈坏了。
- 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。
- leakage hum 漏泄哼声
- 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。
- 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。
- Threads can corrode and cause leakage. 螺纹可能被腐蚀并导致泄露。
- Leakage is the trickiest problem in sealing system. 漏！是密封系统中最为头痛的问题。
- Blind-hole lower bushing prevents leakage. "盲孔"下部衬垫能够防止泄漏。
- 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。
- I think risk of leakage suit our consignment. 我认为渗漏适合于我们这批货。
- This check does not simulate a seal leakage. 这个测试并不等同于密封泄漏。
- It is sometimes mistaken for a power supply hum. 有时候，亚音频会被错误的认为是电源交流声。
