Piston rod
[化] 活塞杆
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
rod
[rɑd]
n. 杆，拉杆;惩罚，体罚;（责打人用的）棍棒;手枪;
🗣️ 情景例句
Where are you from?
你是哪里人？
Fire proves gold, adversity proves men.
烈火显真金，逆境识英雄。
She usually wears that round her middle when she goes out.
她外出时总是把它系在腰上。