Balancing piston
[化] 平衡活塞
🧩 词语组成解析
[计] 平衡, 均衡, 结算\\n[经] 平衡, 结出余额
piston
['pɪstən]
n. <机>活塞;
🗣️ 情景例句
Her illness kept her in bed for a week.
她因生病而在床上躺了一星期。
I did composition last month.
我上个月做作文。
The first question to answer is whether a planet can actually support life.
第一个需要解答的问题是一颗行星是否有能够维持生命的条件。