Piston clearance
[化] 活塞间隙
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
🗣️ 情景例句
Now that illiteracy is not so wide spread, people everywhere are free to enjoy great literature.
现在文盲不是很普遍，世界各地的人都可以很自由地欣赏文学作品。
What time does the plane take off?
飞机何时起飞呢？
Perhaps in those days I was. Pierre and I did have a very good time at the ball. But that was the last moment of happiness in our lives. That night everything changed.
那时候，我也许是个漂亮姑娘。我和比尔在舞会上的确玩得很痛快。不过，那是我们一生中最后的幸福时刻。那天晚上一切都变了。