Piston shaft bearing
[化] 活塞轴轴承座
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
shaft
[ʃæft]
n. 柄，轴;矛，箭;〈非〉嘲笑;光线;
vt. 给…装上杆柄;〈俚〉苛刻的对待;
🗣️ 情景例句
if that will help.
假如那样有所帮助的话。
Do not cut down the tree that gives you shade.
不要忘恩负义。
It is impossible to make more than the wildest guess at how many they kill, but they are hungry creatures, not content with only three meals a day.
它们一年中消灭了多少昆虫，我们简直无法猜测，它们是吃不饱的动物，不满意一日三餐。