Correct

牙床

/ yáchuáng / 
Strokes

Definition

gum/ivory bedframe

Example

As a Noun

gum; gingiva

1
Yòng
用
yáchuáng
牙床
jǔjué
咀嚼
shíwù
食物

chew food with one's gums; gum one's food

As a Noun

ivory-inlaid bed