Polychroilite
复色石
🗣️ 情景例句
OK, sir, just sit tight, and we'll have an ambulance there in about ten minutes.
好的，先生。你就在那边等着，救护车10分钟之内到。
We must have your LC at least one month before the time of shipment.
我们必须在船运前一个月收到你们的信用证。
Excuse me! Can you tell me the way to the museum, please?
劳驾！你能告诉我去博物馆怎么走吗？