Petrophone
[音]石琴
??? 情景例句
How about $ 140 per case?
每箱140美元怎么樣？
Who is this?I don't recognize your voice.
你是誰?我不認出你的聲音。
Has your company done any research in this field?
請問貴公司對此范疇做了任何研究嗎？