Hcfcs
abbr. hydro-chlorofluoro-carbon 【化学】氢化含氯氟烃
🗣️ 情景例句
You must be Robbie.
你就是Robbie吧。
Tractors have revolutionized farming.
拖拉机使耕作有革命性的变化。
The village seemed deserted, the only sign of life being an ugly-looking black goat on a short length of rope tied to a tree in a field nearby.
村里似乎无人居住，唯一的生命迹象是附近田里一只面目可憎的黑山羊，用一截短绳拴在一棵树上。