题目内容
_________ struck, a turning fork produces an almost pure tone, retaining its pitch over a long period of time.
查看答案
搜索结果不匹配？点我反馈
更多问题
________ of the burden of ice, the balloon climbed up and drifted to the South.
The ________ of radio waves came to a halt all of a sudden.
The annual _______ of meat per capita is more than 20 kilometers.
When the air raid ________, all the American soldiers were in dream at the Pearl Harbor.
微信支付 
支付宝支付