R-fvalue
[化] R-f值; 比移值
🗣️ 情景例句
went to the Thanksgiving Day parade?
去参加感恩节游行吗
He has bought 10 tractors for the village.
他为村里买了10台拖拉机。
Then anyone who wants to can go for a walk round Aswan after the boat trip.
那么，想乘船的人就可以在乘船游览之后到阿斯旺各处走走。