thousand可数吗?

　　The system produced enough energy to heat several thousand homes.

　　系统产生的能量足以给几千户人家供暖。

　　Two thousand is a nice round number ─ put that down.

　　两千是个不错的整数——记下吧。

　　Two thousand ─ and that's my bottom line!

　　两千块——不能再低了！

　　It cost somewhere around two thousand dollars.

　　买下来要花大约两千元。

　　Well, in round figures we've spent twenty thousand so far.

　　嗯，说个约数吧，我们至今花了有两万了。