Blacklead
n. 黑铅, 石墨
📖 牛津释义
blacklead
n [U] grey-black substance used in lead pencils and for polishing 石墨; 笔铅. -- v [Tn]
polish (sth) with blacklead 用石墨抛光某物.
🗣️ 情景例句
I didn't realize how late is was.
我不知道已经这么晚了。
A colt you may break,but an old horse you never can.
小驹犹可练，老马最难驯。
No! O, not U!
是O，不是U。