地面气压

ground pressure

-ly / structural particle: used before a verb or adjective, linking it to preceding modifying adverbial adjunct

earth / ground / field / place / land / CL:片[pian4]

floor / ground / surface

face / side / surface / aspect / top / classifier for objects with flat surfaces such as drums, mirrors, flags etc

variant of 麵|面[mian4]

flour / noodles / (of food) soft (not crunchy) / (slang) (of a person) ineffectual / spineless

gas / air / smell / weather / to make angry / to annoy / to get angry / vital energy / qi

gas; air / smell / weather / to make angry; to annoy; to get angry / vital energy; qi

atmospheric pressure / barometric pressure

to press / to push down / to keep under (control) / pressure

see 壓根兒|压根儿[ya4 gen1 r5]