Saticon
塞蒂康视象管, 硒砷碲视象管
🗣️ 情景例句
You never know what you can do till you try.
除非尝试，否则你永远都不知道你有何价值。
I have a dog, but it's very quiet.
我有一只狗，不过它很安静。
We'd have to compare notes on what we've discussed during the day.
我们想用点时间来研究讨论一下白天谈判的情况。