Oss
abbr. [美]航天科学局（Office of Space Sciences）；[美]战略情报局（Office of Strategic Services）
🗣️ 情景例句
You can't take her promises seriously, she never keeps her word.
她答应的事不用当真，她说话从来不算数。
Sometimes the snow was so deep we could tunnel through it.
偶尔雪会积到可以造隧道那般的深度。
It's a book.
一本书。