Smectites
蒙脱石类
🗣️ 情景例句
Hello, sir.
您好，先生。
When I saw they had left, I was shocked to tears.
当我目睹他们离去时，我悲伤得落下了眼泪。
'Will you be spending your holidays abroad this year?' I asked.
“您今年去国外度假吗？”我又问。