Kalchoids
铜锡锌三元合金
🗣️ 情景例句
Who is your best man?
谁是你的伴郎？
Peter began to hear about the interesting new play.
彼德开始听到新放映的电视剧很精彩。
He has pointed out that the tree is a useful source of income as tour-ists have been coming from all parts of the country to see it.
他指出，由于人们从全国各地纷纷前来参观这棵树，