Fire-retardant fr-2
[化] 阻燃剂FR-2
🧩 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）;
n. 抑止剂\\n[机] 阻滞剂
[医] 钫(87号元素)
🗣️ 情景例句
I haven't seen you since the hospital.
自从医院相遇之后再也没有见到你。
I will be leaving the hospital in December.
我将在十二月份出院。
At the age of twelve years, the human body is at its most vigorous.
人体在12岁时是生命力最旺盛的时期。