Residuum rubrum
[医] 干牛血粉
🧩 词语组成解析
n. 残留物, 剩余物, 残数, 余数, 留数, 社会渣滓\\n[化] 渣油
[医] 红核, 红[色]
🗣️ 情景例句
There's a shortcut--if you know it.
假如你识路的话, 有一条近路可走。
Have you ever thought about becoming a professional musician?
你曾经想过要成为职业音乐家吗？
It's seven thirty!
七点半了！