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
Could you slice the tomatoes for me, please?
请帮我把西红柿切成薄片好吗？
They have been much too irresponsible for their high position.
他们虽身居要位，未免太缺乏责任感了。
In 1893 New Zealand was the first nation in modern times to allow women to vote, long before many other countries.
3年，新西兰是第一个在近代就允许妇女参加选举的国家，这比许多其他国家要早得多。