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
She tore up all the letters he had sent her.
她把他写来的信全撕了。
God's mill grinds slow but sure.
天网恢恢，疏而不漏。
The first essential in elephant training is to assign to the animal a single mahout who will be entirely responsible for the job.
驯象中至关重要的是指派一名专门的驯象员，全面负责这项工作。