In the phonograph parlors, customers listened to recordings through individual ear tubes, moving from one machine to the next to hear different recorded speeches or pieces of music.
在留声机厅里，顾客通过单只耳道听录音，从一台机器转到另一台，听不同的演讲录音或音乐片段。
The surgeries ranged from those for serious problems, like open heart surgery, to more routine ones, like putting in ear tubes or removing adenoids and tonsils.
外科手术涉及那些严重的疾病问题，比如心脏手术。更多是日常的手术，比如进入耳道或切除腺样体和扁桃体。
Bottom line: For otorrhea in the presence of PE tubes, ear drops (with a non-aminoglycoside antibiotic and a steroid) may be more beneficial than oral antibiotics or observation.
要点：对于有鼓膜管的耳漏，滴耳液(非氨基糖苷类抗生素联合激素)效果可能更优于口服抗生素和保守观察。
There is good evidence that if baby is given a bottle of formula while lying flat, the formula can get into the Eustachian tubes and middle ear and cause an infection.
有证据表明如果瓶喂配方奶给平躺着的宝宝，配方奶可能进入宝宝的耳咽管和中耳，进而引起感染。
There is good evidence that if baby is given a bottle of formula while lying flat, the formula can get into the Eustachian tubes and middle ear and cause an infection.
有证据表明如果瓶喂配方奶给平躺着的宝宝，配方奶可能进入宝宝的耳咽管和中耳，进而引起感染。
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