H-number
[化] H值; H数; Hf值(溶剂质量指标之一)
🧩 词语组成解析
🗣️ 情景例句
It is a great idea,
这是个极好的主意。
What's your friend doing?
你的朋友正在做什么？
Men, particularly, spend hours of their leisure time installing their own fireplaces, laying out their own gardens; building garages and making furniture.
特别是男人，常利用空闲时间安装壁炉、布置花园、建造车库、制作家具。