Onesies™
noun/ˈwʌnziz/
/ˈwʌnziz/
(North American English)- a piece of clothing for babies that covers the top half of the body and sometimes also the legs. It fastens between the legs.
（婴儿）连体衣，连裤衣；宝宝衫 - a pack of long-sleeved Onesies
一包长袖连体衣
- a pack of long-sleeved Onesies