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bell mouth
[机] 喇叭口, 锥形孔, 锥形底
- A brass instrument consisting of a long cylindrical tube bent upon itself twice, ending in a bell-shaped mouth, and having a movable U-shaped slide for producing different pitches.
一种铜管乐器，由弯曲两次的长圆筒形金属管构成，尾部有喇叭形口，有一个可滑动的U形拉管，可发出不同音高的音。
bell mouth
bell mouthed
bell nipple
bell note
bell nozzle
bell of capital
bell of die
bell of pipe
bell operating rigging
bell organ
Bell palsy
bell pepper
Bell polynomial
Bell protocols
bell pull
bell punch
bell push
bell push button
bell reaction
bell receiver
bell recorder
bell rigging
bell ring
bell ringer
bell ringing
bell ringing transfor...
bell ringing transformer
bell rod
bell roof
bell rope
bell rope hand pile d...
bell screw
bell set
bell shape
bell shaped chain wheel
bell shaped insulator
bell shaped nozzle
bell shaped sprocket ...
bell signal
bell slass
bell socket
bell sound
bell stage
bell stand
bell tap
bell ten
bell tent
bell test
bell the cat
bell tower
bell transformer
bell transmitter
bell trap
Bell treatment
bell tympany
bell type
bell type annealing f...
bell type autoclave p...
bell type chest piece
bell valve
bell mouthed
bell nipple
bell note
bell nozzle
bell of capital
bell of die
bell of pipe
bell operating rigging
bell organ
Bell palsy
bell pepper
Bell polynomial
Bell protocols
bell pull
bell punch
bell push
bell push button
bell reaction
bell receiver
bell recorder
bell rigging
bell ring
bell ringer
bell ringing
bell ringing transfor...
bell ringing transformer
bell rod
bell roof
bell rope
bell rope hand pile d...
bell screw
bell set
bell shape
bell shaped chain wheel
bell shaped insulator
bell shaped nozzle
bell shaped sprocket ...
bell signal
bell slass
bell socket
bell sound
bell stage
bell stand
bell tap
bell ten
bell tent
bell test
bell the cat
bell tower
bell transformer
bell transmitter
bell trap
Bell treatment
bell tympany
bell type
bell type annealing f...
bell type autoclave p...
bell type chest piece
bell valve
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中国词汇量第二的英语词典
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