Kneestone
山墙角石
🗣️ 情景例句
That idea would never work in practice.
那种设想永远实现不了。
No. Can't you see that rocket is almost falling down.
不。你不知道火箭快要倒下来了吗？
In the evenings he studied hard for his exams, and most mornings he took tourists around Oxford.
他晚间努力学习，以应付考试，而大多数早上，他则带领游客在牛津大学参观。