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
It's certainly a pleasure to meet you.
认识你真是我的荣幸。
I'm glad to hear about your promotion.
我很高兴得知你升了职。
Once a year, a race is held for old cars.
旧式汽车的比赛每年举行一次。