N. y. d.
[医] 尚未诊断
🧩 词语组成解析
abbr. 名词
基督教青年会
🗣️ 情景例句
Me, too. Have fun!
我也是。祝你们愉快
If it were not for hope, the heart would break.
人是靠希望活著的。
The geologist needs to know what rocks the drill has reached,
地质学家需要知道钻头已经到达什么样的岩层，