Cal-red
[化] 钙指示剂; NN指示剂; 钙红
🧩 词语组成解析
[化] 计算机辅助学习
red
[red]
adj. 红色的;（脸）涨红的;烧红的;红头发的;
n. 红色;红衣服;红颜料;红葡萄酒;
🗣️ 情景例句
Is something the matter, Grandpa?
怎么了，爷爷？
We kept on discussing the problem for four hours.
我们持续讨论那个问题达四小时。
Thirteen is not as good as one, but it's better than nothing.
“13下是不如1下好，但总比1下也不敲强。