n. 线条;排;行列;界线;
vt. 排队;用线标出;沿…排列成行;给…安衬里;
vi. 形成一层;排队;击出平直球;
🗣️ 情景例句
He's been here for years, he should know the ins and outs of the job by now.
他在这里已经好多年,现在理应熟悉各方面的工作了。
When in doubt, play trumps.
举棋苟不定,何妨将一军。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.