| 单词 | blast-off |
| 释义 | ˈblast-offnoun [u] the time when a spacecraft leaves the ground 航天器的发射 blast-off /ˈ· ·/n[singular 单数] when a spacecraft leaves the ground ［太空船的］发射，升空时刻:◇10 seconds to blast-off! 发射前十秒钟！ |
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