the extent to which a product or service is bought in a particular area or by a particular group of people （产品或服务在特定地区或特定人群的）认知度◆In South Korea, broadband penetration had reached 55%. 在韩国，宽带的普及率达到了 55%。◆We are developing a new strategy for achieving greater market penetration. 我们正在制订新的策略以便取得更广泛的市场认知度。
the sale of products or services in a new area or to a new group of customers 向新地区或顾客群销售产品或服务◆The campaign focuses on London, which is the target area for penetration. 这一行动着眼於产品销售的目标地区 ── 伦敦。