Bounding pin
[机] 弹跳杆
🧩 词语组成解析
v. 跳( bound的现在分词 ); 弹回; 向上弹; 向上跳
pin
[pin]
n. 钉;别针，扣针，饰针;大头针;没价值的东西;
vt. 压住;（用钉等）钉住，钉住，别住，扣住;用障壁等)围住，关住（俚语）抓住;[军]牵制;
adj. 针的;钉的;销的;大头针的;
🗣️ 情景例句
You look young for your age.
你比你的实际年龄年轻多了。
I ought to go to bed now.
我应该现在去睡觉。
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。