plenum

名词 plenum:

1. a meeting of a legislative body at which all members are present
2. an enclosed space in which the air pressure is higher than outside

ple.num

n.（名词）
【复数】 ple.nums 或 ple.na [plô.n…, plμn.…]
An assembly or a meeting with all members present.
全体会议：所有成员出席的集会或会议
A condition, space, or enclosure in which air or other gas is at a pressure greater than that of the outside atmosphere.
充气增压：空气或其它气体压力大于外界大气压力的状态、空间或封闭空间
The condition of being full; fullness.
充满：充足的状态；充满
A space completely filled with matter.
充满物质的空间

来源：
Latin plônum (spatium) [full (space)] [neuter of] plônus * see pel…-
拉丁语 plônum (spatium) [充满的（空间）] [] plônus的中性 *参见 pel…-