Piston pin
[化] 活塞销
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
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
Hello, Alexandra.
哈喽， Alexandra。
Not only did I forget my train ticket, but I also forgot my passport.
我不仅忘了带火车票，还忘了带护照。
Four years later, she left the children's home and entered an institution for the blind, where she learnt braille.
4年之后，她离开孤儿院，进入一盲人学校，学习布莱叶盲文。