Fire protection expense
[经] 防火费
🧩 词语组成解析
fire
['faiə]
n. 火，燃烧物;火灾;射击，发射;热情;
vt.& vi. 开火，射击;燃烧;引爆炸药;充满热情;
vt. <口>解雇;射（箭）;激励;射出（子弹）;
🗣️ 情景例句
As a matter of fact... I am hungry.
老实说……我饿了。
Christmas comes but once a year.
佳节良辰，机会难得。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。