C-h
abbr. Crouse-Hinds 克劳斯—汉兹; Cutler Hammer 卡特拉—汉莫; capacitance-magnetic field curve 电容磁场关系[特性]曲线; carbon-hydrogen bond 碳-氢键
🗣️ 情景例句
Do you have anything to declare for customs?
有什么要申报呀？
I often have supper at night.
我常常在晚上吃晚餐。
Is the fire out?
火熄了吗？