The significance of a green traffic light is generally understood.
通常都明白绿色交通灯的含义。
The significance of a green traffic light is generally understood.
通常都明白绿色交通灯的含义。
Mother gave us the green light to go on the camping trip.
母亲准许我露营旅行。
We have investigated oxyhalide glass in detail for the blue and green light output.
统的研究了用于实现蓝绿光输出的卤氧玻璃材料。
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