Weld polarity
[电] 熔接极性
🧩 词语组成解析
weld
[wɛld]
vt.& vi. 焊接;使紧密结合;
n. 焊接点;黄色植物染料;
🗣️ 情景例句
Don't get fresh with me!
别碰我。
He's concentrating on learning English.
他集中精力学英语。
She goes to work every day except Sunday.
除星期天外，他每天去上班。