Ostmark
n. 民主德国马克(前东德的货币单位)
🗣️ 情景例句
It's me, Grandpa.
是我， 爷爷。
Grasp the shadow and let go the substance.
舍本逐末。
This time, he managed to climb into the mouth of Kituro so that he could take photographs and measure temperatures.
这次他设法爬进了基图罗火山口，以便能拍摄照片和测试温度。