Elphal
电泳涂铝; 埃尔法尔电泳涂铝钢带
🗣️ 情景例句
He studied harder to improve his English.
他更加努力提高英语水平。
How long has he been with that company?
他在那家公司多久了？
Things are getting better.
情况正在好转。