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
But there are one point which I'd like to bring up about the packing.
不过还有一点我得提出来，关于包装问题。
We must listen carefully to the teacher.
我们必须注意听老师说的话。
It is a curious coincidence that the day before his retirement, Mr.Page will have been teaching for a total of forty years.
佩奇先生退休的前一天正好是他执教满40年的日子，这真是奇妙的巧合。