Powerhead
un. 動(dòng)力水頭；有效發(fā)電水頭\\n
??? 情景例句
What kind of guarantee do you offer?
這種車有售后服務(wù)保證嗎？
The sudden noise scared the dog away.
突然突然的噪音把狗嚇跑了。
You must keep it a secret. You mustn't tell anybody else.
你必須保密，誰都不能講。