塔尼娅的双手在琴键上翻飞。Tanya's hands rippled over the keyboard.琴键是钢琴上用手指敲击的部件,它能使钢琴发出乐音.A key is the part of a pianoforte that you touch to make music.钢琴的琴键一弹琴弦就振动出声.The strings of a piano vibrate when the keys are struck....
By c . 1200 BC, they had crossed the river Danube and settled in the southern Balkans.到公元前1200年左右, 他们已跨过了多瑙河,在巴尔干半岛南部定居下来.The ghost of the Balkans may return to haunt the continent.巴尔干半岛的幽灵可能重新萦绕欧洲大陆.The former Yugoslavi...
梭子常常卡住, 造成大量断头.The shuttle often got stuck, causing a lot of broken ends.用点糨糊把断头接起来.Use some paste to join the broken ends.断头处的界面引力将引起分层.Interfacial tractions at the broken ends will produce delamination....