Tipoffs
(tipoff 的复数) [电] 在玻璃泡抽真空后真空管隐藏的最后部份
🗣️ 情景例句
A large number of American radio stations operate in the red.
许多美国电台亏损经营。
This window is just as big as that one.
这扇窗户刚好和那扇一样大。
It's seven.
七点了。