Piezoceramics
压电陶瓷
🗣️ 情景例句
Help me with this tie, will you?
帮我打领带 好吗
Weak men wait for opportunity, but the strong men make it.
若者等待机会，强者创造机会。
Centuries ago, the word beeline was made to describe this thin line of bees flying through the air.
几百年前，有人用beeline 这个词来描写蜜蜂在空中飞行的细窄路线。