Piezocell
压电电池
🗣️ 情景例句
I'm sure everyone will be very happy with these gifts.
相信他们一定会喜欢这些礼物的。
I'm taking a walk in the park.
我在公园散步。
'I was in my office as usual,' answered the Ambassador.
“我和往常一样，在办公室里，”大使回答说。