Camera lucida
n. 明箱,显相器
🔁 扩展释义
【医】 投影描绘器
🏥 医学释义
转写器，投影描绘器
🧩 词语组成解析
n. 明星
🗣️ 情景例句
OK, Richard. That's terrific.
很好， Richard ，真不错。
I ought to go now.
我应该现在走。
and by measuring the time interval between the taps and the receipt of the echoes, the depth of the sea at that point can be calculated.
测出回声间隔的时间，便可算出该处海洋的深度。