Tecnetron
[电] 三元半导体放大器
🗣️ 情景例句
Customers flocked into the store.
顾客涌入那家商店。
When sorrows come, they come not single spies, but in battalions.
祸不单行。
They had a good time, but I didn't go.
他们玩得很痛快，但我没有去。