Extending far downward or inward from a surface.

• Long from front to back.

从表面向下或向内延伸很远。

• 前后方向上很长。

Profound or intense; not superficial.

• Complex or difficult to understand.

深刻或强烈；不表面化。

• 复杂或难以理解。

Low in pitch or register.

音高或音域低。

Having rich, strong, or dark color.

色彩浓郁、饱和或深暗。

Positioned far from the center, near the boundary, in sports.

在运动中，靠近边线、远离中心的位置。

Very sound or heavy, hard to wake from.

睡得很沉，不易被唤醒。

Far into or through something; to a great extent.

• In a profound manner.

深深地进入或穿过某物；程度很大。

• 以深刻的方式。

The sea or ocean; the deep part of water.

• The depths or innermost part of something.

海洋；水体的深处。

• 事物的深处或内部。