日本語
yoko shiitsu
flat sheet
[flat sheet]…is a plastic sheet which prevents ｂｏｄｉｌｙ excretions from soaking into the bed.
あおむけ
on one's back ; supine position
あおむけに なる
to lie on one's back
うつぶせに なる
to lie on one's stomach
うつむけ
うぉーたーべっど
water bed
