alcs
幼苗
共回答了18个问题采纳率:83.3% 举报
130 decibels jet off voice 110 decibels spiral syrup plane take off 105 decibels permanent hearing loss voice 100 decibels pneumatic drill voice 90 decibels noisy bar voice 85 decibels and the environment will not be damaged cochlear hair in 80 decibels noisy office 75 decibels human ears comfort cap 70 decibels street environment voice 50 db normal conversation voice whispering 20 d
1年前
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篱畔秋鼾
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请问在哪里找的 还是真的自己翻译的? 确定十分准确? 我明天speech丢不起脸吖~