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- underlay n. 衬底；衬垫物；支撑物
vt. 垫起；从下面支撑
- underplay v. 轻描淡写；表演不充分
n. 不充分的表演；暗中的活动
- underlie vt. 成为……的基础；位于……之下
- underlip n. 下唇
underlap v. 从（某物）下面（边缘处）伸出或突出; n. 从（某物）下面伸出的物体;
网络短语:
underlap timing 针背垫纱定时
underlap p 从下面露出
The underlap 针背垫纱
addition of underlap 针背横移数代数和
underlap plair conditioning unitket 基层明筒
underlap fuel distributing valve 非遮蔽式分油活门