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
Do I know you?
我认识你吗？
Mercy to the eriminal may be eruelty to the people.
对罪犯的仁慈，就是对人民的残忍。
Then see which plants grow higher, measure them with a ruler and write down your results.
过后看看哪种西红柿长得比较高，用尺子量量并记录下你的实验结果。