mouthful; bite; morsel
Used for a small amount of food taken into the mouth at once, or for taking just one bite.
Try a bite of this apple.
Used for a small amount of liquid drunk at once; depending on context it can be a sip or a gulp.
She took a sip of water and then began to speak.
one share; one unit of contribution; one subscription unit
Used as a unit for investments, subscriptions, donations, and similar contributions; often followed by an amount of money.
Donations are accepted from 1,000 yen per contribution unit.
This investment trust can be purchased in units of 10,000 yen.
I took a small bite of the apple to try it.
In a nutshell, the movie was very moving.
This fundraiser accepts donations starting at one unit of 1,000 yen.
I took a sip of the hot soup.