ground level

ground level

n. [地]地平面
n. [物]基态(=ground state)

例句与用法：

The lowest habitable story of a building, usually below ground level.

建筑物最低的可居住楼层一般在地平面以下。

The lowest sill, block, or timber supporting a building, located at or below ground level.

底基用来支撑建筑物的最低的基木、砌块或木料，位于地面或低于地面的

An underground defensive position with a fortified projection above ground level for gun emplacements.

掩蔽壕，地堡一个地下防御工事，有一个高干地面的，用来放枪的防御射击处

The part of a plant, usually at ground level, where the stem and roots merge.

根颈通常位于地面的、茎和根汇合的植物的那部分

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ph.

地平面