Mavar
[电] 参数放大器
🗣️ 情景例句
We'll come upstairs and get you in a little while.
我们待会儿就上楼来带你下去。
You're dreaming!
别妄想！
In this way, we have learned all that we know of the laws of astronomy,
例如，用这种方法，我们完全掌握了天文学的规律。