to add oil; to top up with gas; to refuel; to accelerate; to step on the gas; (fig.) to make an extra effort; to cheer sb on

to become a member; to join; to mix into; to participate in; to add in

plus; to put in; to add; to add on; to add into; in addition; on top of that

California

Canada

to participate; to take part; to join

more (than sth else); even more

to raise; to increase

(loanword) vodka

Alaska, US state