an unknown quantity造句怎么写

What we would find if we could fly to the moon is an unknown quantity.

Additionally, an unknown quantity of methane in the form of hydrates (or clathrates) lies trapped beneath the polar sea floors.

Chinese cars do remain an unknown quantity to consumers, who were also once leery of the first cars imported from Japan - and later, from Mexico and South Korea.

Ingram, boyish, with unruly red hair and only a year out of Harvard Business School, was apparently keen and energetic, but otherwise an unknown quantity.

In this year's Africa Nations Cup they got to the Final, but we didn't see much from them, so I still think they are an unknown quantity a bit for this tournament.

We use x as the symbol for an unknown quantity.

an equation in which the highest power of an unknown quantity is a square.

John is a possibility for the job, but he is still an unknown quantity.

Youth is the smile of the future in the presence of an unknown quantity, which is itself.

Woodstock for them is only a picture in their textbooks, the Chicago Seven (or was it Eight?) are an unknown quantity.

You must eliminate an unknown quantity.

The Frenchman was an unknown quantity when he arrived in north London back in 1996.

She had known Max for some years now, but he was still pretty much an unknown quantity.

In algebra the sign x usually denotes an unknown quantity.

Already well aware of Hargreaves' virtues from international duty with England, Rio concedes the younger new arrivals are a little more of an unknown quantity- although United did sample Brazilian playmaker Anderson's trickery last summer.

The new sale director is still a bit of an unknown quantity.