Injection cylinder
[化] 喷射气缸
🧩 词语组成解析
🗣️ 情景例句
So you thought about it, huh?
你考虑过了吗？
He means trouble.
他存心捣蛋。
Experiments have proved that children can be instructed in swimming at a very early age.
实验证明，儿童在很小的时候就可以开始学习游泳。