Fgd
abbr. 烟气脱硫（Flue Gas Desulfurization）；火气探测（Fire & Gas Detection）；金融集团指令（Financial Group Directive）
🗣️ 情景例句
Do we have to pre-book tours, or can we get them on site?
我们必须预定行程， 还是到那个地方再说？
In case of fire, keep your head.
万一发生火灾，保持镇定。
She looked at it critically for a moment.
她认真的看了好一会儿。