Lead polarity of a transformer
[电] 变压器的引线极性
🧩 词语组成解析
lead
[lid]
vt. 领导;引导;指挥;
vi. 领导;导致;用水砣测深;
n. 铅;领导;榜样;枪弹;
adj. 领头的;最重要的;领先的;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
I promise not to think about the city.
我保证不再去想城里的事。
He can only speculate as to which horse will win the race.
他只能推测那一匹在赛马中会获胜。
Are they from Australia?
他们是来自澳大利亚吗？