dol‧lar S1 W2 / dɒlə $ dɑlər / 名词 [可数名词]
1 the standard unit of money in the US, Canada, Australia, and some other countries, divided into 100 cent s : symbol $ :
It cost three dollars.
a ten-dollar bill
You can pay in dollars or euros at the airport.
2 the dollar the value of US money in relation to the money of other countries :
The pound has risen against the dollar (= increased in value in relation to the dollar ) .
→ you can bet your bottom dollar at bet 1 ( 4 ) , → feel/look like a million dollars at million ( 4 )