Piston expansion engine

[化] 活塞式膨胀机

🧩 词语组成解析

piston ['pɪstən]
n. <机>活塞;
expansion [ɪk'spænʃən]
n. 扩大;扩张;扩张物;膨胀物;
ex出+pans扩展+ion表表名词,构成抽象名词 →扩张,expanse扩大
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

The new students seem to be shaping up quite nicely.
新生们看来表现得相当不错。
A good horse oft needs a good spur.
好马常需好靴刺。
It is true that during their explorations they often faced difficulties and dangers of the most perilous nature, equipped in a manner with would make a modern climber shudder at the thought,
确实,在探险中他们经常遇到惊心动魄的困难和危险,而他们装备之简陋足以使现代登山者一想起来就胆战心惊。
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🔤 更多 P 开头的单词

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