Piston-engine
[机] 活塞发动机
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
engine
['endʒin]
n. 发动机，引擎;工具;火车头;机车;
vt. 给…安装发动机;
🗣️ 情景例句
Sorry to hear that, Lillian.
很遗憾听到这个， Lillian。
Hello. Could I please speak to Miss Davis?
喂，麻烦你，请戴维斯小姐听电话。
Education, with its cycles of instruction so carefully worked out,
教育，以其教学周期如此精心地安排，