Dead reckoning
[計] 推算定位
?? 牛津釋義
dead reckoning
calculation of one's position by log2(1) or compass (when visibility is bad) （當能見度很低時）靠測程儀或羅盤定位的測定法.
?? 詞語組成解析
dead
[d?d]
adj. 死去的;完全的;無感覺的;呆板的;
adv. 完全地;非常;絕對;極度;
n. 死者;（死一樣的）寂靜;極寒時候;
reckoning
[['rek?ni?]]
n. 計算, 算帳, 清算\\n[經(jīng)] 計算, 算帳, 估計
??? 情景例句
It's important
這是很重要的
He said he spoke a little English.
他說他會說一些英語。
Ah, it's just the thing, the very thing!
啊，正合適啦！合適極了！