Ampliscope
示波式摆幅仪
🗣️ 情景例句
And you saved it for me, didn't you, Mother?
也留着要给我， 对吗， 妈妈？
The wife is the key of the house.
妻子是一家的钥匙。
easily obtainable from the lunar rocks in the form of liquid oxygen.
从月球上的岩石中很容易提炼出液态氧，