Piston expander
[化] 活塞式膨胀机
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
expander
[ɪk'spændə]
n. 使增大者，使身体健壮的强身器具;
🗣️ 情景例句
you can help me with dinner.
你就来帮我准备晚餐。
Karl was so upset that he began to turn red with anger.
卡尔非常惊讶，红着脸开始生气了。
A yellow light on the dashboard flashed angrily and Bruce cheerfully announced that there was no oil in the engine!
仪表盘一盏黄灯闪着刺眼的光芒，布鲁斯兴致勃勃地宣布发动机里没油了！