R-fvalue
[化] R-f值; 比移值
🗣️ 情景例句
Fast asleep.
正熟睡着呢。
Paint the porch, fool, or else.
傻瓜，快去漱漱口，不然哪
Right! Hold it straight! I'll fill in the hole with earth.
好的！扶直了！我用土填坑了