Dws
abbr. double white silk 双白丝; double wound silk 双丝包的（导线）; drinking-water standards 饮用水标准
🗣️ 情景例句
The movie was a blockbuster.
这电影很成功。
Is it a long ride?
要坐很久吗？
How is the new material working out for you?
新原料用得如何？