" It's not long before we'll be able to launch it exactly into the target trajectory" .
" 用不了多久，我们就能将它准确地发射到目标轨道上。"
| 单词 | target trajectory |
| 例句 |
原声例句
VOA慢速英语_科技 " It's not long before we'll be able to launch it exactly into the target trajectory" . " 用不了多久，我们就能将它准确地发射到目标轨道上。" |
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