clearance
音標['kliәrәns]中文翻譯：
n. 清除, 間隙
【化】 間隙; 空隙
【醫】 清除, 清除率, 廓清率; 間隙
英文解釋：
名詞 clearance:
- the distance by which one thing clears another; the space between them
- vertical space available to allow easy passage under something同義詞：headroom, headway
- permission to proceed
英文造句：
- Let me tell you some details about clearance.讓我告訴你一些通關的細節。