roll-on

US /ˈroʊl.ɑːn/
UK /ˈroʊl.ɑːn/
"roll-on" picture
1.

走珠, 走珠止汗劑

a type of deodorant or antiperspirant applied to the skin with a ball applicator

:
She prefers a roll-on deodorant for daily use.
她喜歡日常使用走珠止汗劑。
Don't forget to pack your roll-on for the trip.
別忘了為旅行帶上你的走珠止汗劑。