Injection piston
[化] 注射柱塞
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
🗣️ 情景例句
In face, Australia is the only country that is also a continent.
事实上，澳大利亚是唯一作为洲的国家。
What did he ask you?
他问你什么？
but we found that it traced its way through the trees.
没想到它到树林中继续向前延伸。