Prepared chalk
[医] 精制白垩, 沉淀碳酸钙
🧩 词语组成解析
prepared
[[pri'peəd]]
a. 准备好的, 特制的
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
or else my father will get really angry.
要不然我爸爸会很生气。
He can only speculate as to which horse will win the race.
他只能推测那一匹在赛马中会获胜。
Although negotiators are optimistic, the details are complex enough that they may be hard-pressed to get a deal at all.
然谈判代表持乐观态度，但协议细节如此复杂，他们所面临的困难很可能使他们无法取得一致。