Sacral groove
[医] 骶沟
🧩 词语组成解析
a. 祭典的, 圣礼的, 神圣的, 骶骨的\\n[医] 骶骨的
groove
[ɡruv]
n. 沟，槽;[俚语]常规，老套：确定的规范;[俚语]理想状况;[俚语]非常愉快的经历;
vt. 刻沟，刻槽;
vi. 极其快乐，极其满意，过得快活;受愉快的刺激影响;投合，契合;
🗣️ 情景例句
How's that again.
你再说一次？
Please come in; you're right on time.
请进，你正好准时到来。
It was the idea of supporting a craft on a 'pad',or cushion, of low-pressure air, ringed with a curtain of higher pressure air.
用一个气垫来支撑船体，低压空或软垫，软垫周围用高压空气环绕。