Bisphenoid
(正交晶的或四方晶的)双榍
🗣️ 情景例句
These are polite questions.
这些问题都是礼貌的。
A man apt to promise is apt to forget.
轻诺者易忘。
The twin towers are 110 storeys high, but high-speed lifts controlled by computer take only a minute to reach the top.
这座双塔式大楼有110层高，而由电脑控制的高速电梯只需一分钟就可以到达塔顶。