Webbite
炼钢合金剂(5webbite7%钛, 其余为铝)
🗣️ 情景例句
Tuesday or Wednesday.
星期二或者星期三。
Who do you want to speak to ?
你要跟谁讲话？
Betty and Susan are talking on the telephone.
贝蒂和苏珊正在通电话。