Piezonator
超高频陶磁谐振器(松下商品名)
🗣️ 情景例句
You ready for the next problem?
你准备好做下一道题了吗？
It's two blocks straight ahead.
笔直向前走2街区。
George showed me to the guestroom which, he said, was rarely used.
乔治把我领进客房，说这间很少使用。