H attenuetor
[电] 见H network
🗣️ 情景例句
And the telephone number is five five five…three oh nine oh. Thank you.
电话是555-3090。谢谢。
A watched pot(pan) is long in boiling.
心急水不沸；盼得越切，来得越迟。
We'll have to talk this over some more.
这件事我们得好好地再谈一谈。