Piezocoupler
压电耦合器
🗣️ 情景例句
I worked to put together a book of photographs.
我的工作是创作出一本摄影书。
After a successful career in business,he was appointed ambassador.
在生意的成功以后，他被指定为大使。
Are there any boats in the picture?
画里面有船吗？