?? 詞語組成解析
[醫] 落羽松屬
??? 情景例句
What happened?
怎么啦？
Who assumes shipment cost?
誰負擔運費呢？
It took him some time to connect the long rubber pipe to the air supply pipe that ran round the port, but at last it was done and as a result work was able to progress much faster.
他花了不少時間把長長的橡膠管接到鋪設在碼頭周圍的空氣供應管上，最后他終于把它們連接起來，工作因而進展得更快。