Tightener sprocket
[化] 张紧链轮
🧩 词语组成解析
n. 紧带轮\\n[化] 收紧器; 张紧装置
n. 链轮齿\\n[机] 链轮
🗣️ 情景例句
How I envy you.
我真是羡慕你。
To run for freedom
为求自由而逃跑
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。