Perveance
[电] 电子管屏导数
🗣️ 情景例句
My first grandchild.
我的第一个孙子。
Our service has been very well-received by our customers so far.
到目前为止，顾客对我们的服务质量评价甚高。
He used to learn everything by rote.
他过去总是死记硬背。