Gdf
n. 气体动力设备（Gas Dynamic Facility）
🗣️ 情景例句
Do you think the skirt length is right, Ellen?
觉得这裙子长度合适吗，Ellen？
Money often unmakes the men who make it.
为富不仁。
however lucky and robust we are.
不管我们多么幸运，多么健壮，