Gdf
n. 气体动力设备（Gas Dynamic Facility）
🗣️ 情景例句
Sure I could. It's my turn to treat.
我当然可以这样。轮到我请客了。
It may be even more valuable than money but it tastes awful!
它可能比金钱更有价值，但是味道遭透了。
'This is as far as we go.'
“我们的车就到此为止了。”