Ngb
abbr. negative guard board 底片档板，阴极档板
🗣️ 情景例句
I didn't expect you to do such a good job.
没想到你做得这么好。
A disease known is half cured.
病情确诊断，治病好一半。
Then, when it's open, we fight about who plays with it first.
然后，当礼物打开后，我们又争着谁先来玩。