Vacuum tube amplifier
[电] 真空管放大器
🧩 词语组成解析
🗣️ 情景例句
I don't know what I would do without you.
我真不知道没有你们我怎么办。
We've priced it at $ 98, almost 30% less than the competition.
我们订价为98美元，几乎少于竞争对手30%。
They spent a full and very enjoyable morning together, and Fred discovered that he had a gift for making a visit interesting and lively.
他们一起度过了一个充实而又非常愉快的早上，弗雷德发现自己具有导游的才能，能使参观活动变得趣味盎然。