Binaphthalene
联二萘
🗣️ 情景例句
Well, perhaps,
好的， 也许，
I think it's going to tear soon.
我认为它将会很快被撕破。
namely 6 million million miles.) Radio waves also travel at the speed of light,
即6万亿英里）。无线电波也是以光速传播的。