Oan
光纤接入网
🗣️ 情景例句
This.
这个。
I'd like to travel first-class.
我要头等舱。
This is a pity, because noise abatement really is a good cause.and it is likely to be discredited if it gets to be associated with bad science.
要求减少噪音确实是件好事，但是如果与拙劣的科学掺杂在一起的话，就不会被人们所信任，这是很遗憾的。