Drum sander
辊式砂光机
🧩 词语组成解析
drum
[drʌm]
n. 鼓;鼓状物;鼓声;石首鱼;
vt. 击鼓;连打;反复讲;鼓吹;
vi. 击鼓;连打;拍翅;
[电] 散沙
🗣️ 情景例句
What are you so upset about?
什么使你如此难过？
She is the most gracious hostess I have ever known.
她是我所见过的最和蔼的女主人。
And I'm glad to meet you, too.
我也很高兴见到你。