Ammonium acid fluoride
[化] 氟化氢铵
🧩 词语组成解析
n. 铵\\n[化] 铵
fluoride
[['fluəraid]]
n. 氟化物\\n[化] 氟化物
🗣️ 情景例句
Freezing, isn't it?
好冷啊！
Which of your arms is sore?
你哪个手臂酸呀？
Collecting, by occupying spare time so constructively, makes a person contented, with no time for boredom.
收藏活动通过富有建设性地利用业余时间使人感到心满意足，不再有无聊之日。