Bcd
[计] 二-十进制
🗣️ 情景例句
He's had so many colds and sore throats recently.
他最近常常感冒喉咙痛。
What lives in there?
那里面生存着什么呀？
Sure enough, Rastus arrived punctually at seven o'clock that evening.
果然，当天晚上7点正，拉斯特斯准时回来了。