| 单词 | preclearance |
| 释义 | Word Frequency preclearance(priːˈklɪərəns) noun 1. advance clearance or approval frequent flyers get preclearance from Customs adjective 2. of or pertaining to preclearance immigration agents working at the preclearance centres 3. of or pertaining to a state or period prior to clearance, occurring prior to clearance |
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