Quadplex
a. 四倍的, 有四部分的
🗣️ 情景例句
I expect that I will be back on Sunday.
我预计星期日回来。
The stove makes the room warm.
壁炉使得满屋生暖。
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。