Delta insulator
[電] 塔形絕緣器
?? 詞語組成解析
delta
['delt?]
n. 希臘語字母表第四字母δ;（河流的）三角洲;[數(shù)]變量增量;
insulator
['?ns?let?]
n. 絕緣，隔熱或隔音等的物質(zhì)或裝置;隔離者;隔離物，隔振子，隔電子;
insul島嶼+ator表示人或物 → 像島一樣的人或物 → 把...隔開 → 隔絕者，絕緣體
??? 情景例句
I've just been the victim of a robbery.
我被搶劫了。
I'll need an economy ticket with an open return.
我要一張經(jīng)濟(jì)艙，回來時間不定的來回票。
Thank you .It was very nice of you to help me.
謝謝你幫我，你真好。