Gdf
n. 气体动力设备（Gas Dynamic Facility）
🗣️ 情景例句
Clark's Theater.
Clark's剧院。
Last year I studied sociology and political science in school.
去年，我在学校攻读了社会学和政治学课程。
If they had only had one more child, the fact would have passed unnoticed.
如果他们只添了1个孩子，这件事本来就不会引起任何人的注意。