Red oxide
[机] 红丹, 红铁粉
🧩 词语组成解析
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;
oxide
['ɑksaɪd]
n. [化]氧化物;
🗣️ 情景例句
That's a neat idea.
这是个好主意。
You can't take it back!
说话算话！
You've done very well and made lots of progress.
你功课学得很好，进步很大。