Ngb
abbr. negative guard board 底片档板，阴极档板
🗣️ 情景例句
We'll set up our tents over there by the edge of the woods.
我们在林边搭帐蓬。
Is it direct train?
这是直达车吗？
It is not only of immense size, but is extremely accurate as well.
此钟不仅外型巨大，而且走时也非常准确。