Ngb
abbr. negative guard board 底片档板，阴极档板
🗣️ 情景例句
Max ... Max ... Max. Max
……Max……Max。
Beggars must (should) be no choosers.
行乞的哪能挑肥拣瘦；饥不择食。
and the existence of underwater features of considerable magnitude.
水下特征差异极大。