Sandbagging
v. 堆沙袋, 用沙袋打( sandbag的现在分词 )
🗣️ 情景例句
Will I be able to receive the goods by the end of September?
我可以在9月底以前收到货吗？
What time does the train for Boston leaves?
去波士顿的火车几点开？
Did the material work out well for you?
那些材料进行的顺利吗？