Eccm
电子反干扰\\n[电] 电子反计算量度简写
🗣️ 情景例句
It's not easy, but what is?
这不容易， 但什么事又容易了？
There's many a good tune played on an old fiddle.
老当益壮。
We need to make a change on our last order.
上回的订单我们需要更改。