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
Hi, Alexandra. Welcome.
嗨 Alexandra。欢迎。
Life is half spent before we know what it is.
等到认识人生，已经一半过去了。
It was at Charlie's wedding. You were playing the piano.
那是在查理的婚礼上，你在弹钢琴。