Travertin
n. [地]石灰华,钙华(建筑用)
🗣️ 情景例句
I'm happy to have this chance to meet with you. Mr. Howard Yang.
杨先生，非常高兴能有机会认识你。
Where am I supposed to pay the excess train fare?
我应该在哪里补票？
They dare not tell the truth.
他们不敢说实话。