Precomputation
[航海]导航预行计算
🗣️ 情景例句
Try to take it easy.
放轻松点。
I'm sure I've forgotten something ,but it's too late now.
我肯定我忘记了一些东西，但是它现在是太迟了的。
The question was, which one?
问题是，哪一种气体导致火灾呢？