Correct
垫底儿
/ diàn der /
Strokes
Definition
foundation layer/underlay/fig. to lay foundations/to snack
Example
As a Verb
put (sth) at the bottom
1
Xiāngzi
箱子
lǐ
里
pū
铺
xiē
些
miánhua
棉花
diàn
垫
der
底儿
。
Put some cotton at the bottom of the box.
As a Verb
have sth to eat while waiting for one's meal
As a Verb
do the groundwork; lay the foundation
As a Verb
be bottom (of)