Piston boss
[机] 活塞销毂
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
boss
[bɔs]
n. 老板，上司;领袖，首领;[机]轴套，套筒;
vt. 当…的首领;管理，指挥;
vi. 当首领;发号施令;
adj. <俚>很好的，一流的;
🗣️ 情景例句
They mentioned you as a good source of information.
他们说你消息灵通。
Never say of another what you would not have him hear.
莫说不想让人听见的话。
She's a new student. She's American.
她是个新来的同学，是个美国人。