Calcsinter
[化]钙华, 石灰华, 多孔石灰岩
🗣️ 情景例句
for my six o'clock appointment with Mr. Ozawa.
参加六点钟与Ozawa先生的约见。
No great loss without some small gain.
塞翁失马，安知非福。
She was a lively young woman with patience and imagination.
她是一个活泼的女子，具有耐心和想象力。