Binormal
[数]副法线, 仲法线, 次法线
🗣️ 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。
Seven percent would be possible for orders for, say, 500 or more.
订购500台或500台以上都不得有可能给予7%的折扣。
It will be by special invitation only.
我们只邀请特别的客户