Balanced double mechanical seal
[化] 平衡式双端面机械密封
🧩 词语组成解析
balanced
['bælənst]
adj. 平稳的，平衡的;和谐的，有条不紊的;安定的;
v. “balance”的过去式和过去分词;
double
['dʌbl]
adj. 双的;两倍的;两面派的;双人用的;
vt. 使加倍;把…对折;重复;
vi. 加倍，加倍努力;快步走;
adv. 两倍地;双重地;
n. 两倍;双精度型;
doub二，双+le反复 → 反复两倍 → 翻倍
seal
[sil]
n. 密封;印章;海豹;封条;
v. 密封;盖章;决定;封上（信封）;
🗣️ 情景例句
You probably heard about it. We have private teachers in our holiday.
或许你已经听说过。我们交大的学生在假期间做家教。
How is your family?
你的家人怎么样？
We don't think we can use any of it at all.
我看都不能用了。