Plain besring
[机] 普通轴承, 滑轴承
🧩 词语组成解析
plain
[plein]
n. 平原;平地;[纺织业]平针;朴实无华的东西;
adj. 平的;素的;清晰的;相貌平平的;
adv. 清楚地，明白地;平易地;[用以加强语气]显然;完全地;
vi. 发牢骚;诉苦;
🗣️ 情景例句
What's the problem?
是什么问题？
And to stay ahead of the competition is to openly and freely exchange our opinions.
处于竞争领先地位的方法就是公开、自由交换我们的想法
A week before, he had completed a successful overland flight during which he covered twenty-six miles.
一周以前，他曾成功地进行了一次26英里的陆上飞行。