the action of making something smaller by removing the air from inside it; the fact of becoming smaller in this way 放气；抽气；泄气；漏气

the situation in which something becomes weaker, or something or someone becomes less confident than before（人或物）缩小，削弱；泄气

a reduction of the supply of money in an economy, and therefore a reduction of economic activity, that is often part of an intentional government plan to reduce prices货币紧缩，通货紧缩

a reduction in value贬值