Orbital symmetry
[机] 轨域对称
🧩 词语组成解析
orbital
['ɔ:bitl]
adj. 轨道的;眼窝的;
🗣️ 情景例句
We would adopt payment by instalments for our present practice,
这次交易我们将采取分期付款方式，
He is in conference.
他正在开会。
In five working days, if we ship by air.
如果空运的话，五个工作天内可以到。