Echelogram
阶梯光谱照片
🗣️ 情景例句
Where will we put all the presents?
我们把这些礼物放在哪里？
We know that you are leading exporters of coal and you can provide the quantity we need.
我们知道贵方是主要煤炭出口商，能满足我们的需求量。
Both planes were going to take off on July 25th, but Latham failed to get up early enough,
两天飞机都打算在7月25日起飞，但莱瑟姆那天起床晚了。