R-values
(r-value 的复数) n. 热阻（材料抗热流能力的量度）
🧩 词语组成解析
n. 对价值的看法, 准则, 标准, 价值观念
🗣️ 情景例句
I'm really concerned about going away for the weekend, Ellen,
我这个周末出门实在放心不下， Ellen，
Better half an egg than empty shell.
半只蛋也比空壳好。
I agree with Bob. I think we should have a picture of the computer and give a description of the product.
我同意鲍勃的意见。我认为我们该拍一张计算机的照片，并作产品说明。