Lant
n. 陈化尿液（用于清洁地板）
🗣️ 情景例句
You have a most unusual eye.
你有着极为不寻常的眼光。
A book is the same today as it always was and it will never change.
一本好书今天如此，将来也如此，永不改变。
This depends on the precise radio frequency of the 21-cm wavelength, or 1420 megacycles per second.
这种通讯联系要靠21厘米波段，即每秒1420兆周的精确无线电频率。