Nitro-chalk
[化] 钾铵硝石; 白垩硝(商名)
🧩 词语组成解析
n. 硝基
chalk
[tʃɔk]
n. 粉笔，白垩;用粉笔画的记号;〈英〉（比赛）得分纪录，记入借方的款项;〈美俚〉牛奶;
v. 用粉笔写（记下）;用白垩粉擦（桌球杆等）;使苍白;（英）把（酒钱）记于（某人）账上;
chalk(lime石灰)→白垩；粉笔；粉笔做的记号；用粉笔写
🗣️ 情景例句
Would you like to call home?
你想跟家里通个电话吗？
My father always gave an ear to my problems.
家父常常倾听我的问题。
I have just received a letter from my brother, Tim.
我刚刚收到弟弟蒂姆的来信，