Cerap
陶瓷压电元件
🗣️ 情景例句
Hi. This si Peter from Dr. Alice's office.
嗨，你好，我是埃里斯诊所的彼得。
I'm confident you've made the right choice.
我确信你做了正确的选择。
While he was eating, I asked him to lend me twenty pounds.
当他吃饭时，我提出向他借20英镑。