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更新日期:2026-08-14
narrow sth ↔ down to reduce the number of things included in a range缩小…的范围:•The police have narrowed down their list of suspects.警方已缩小了嫌疑人的范围。[+ to ]•I've narrowed it down to one of two people.我已经把范围缩小到两人之间选一人。