Gemi
abbr. grating efficiency measurement instrument 光栅效率测量设备
🗣️ 情景例句
and I stayed out an extra half hour.
我还特别多待了半个小时。
You can't take it back!
说话算话！
They had a definite meaning, for they were as near as early man could get to writing.
它们有着一定的含义，因为它们已接近古代人的文字形式。