苍井空拍的电影在线观看剧情介绍:我的笔芯用完了。你能借给我一支吗?B:Yes, just take one from my writing case.好的,只管从我的文具盒里拿一支。◆ writing case 文具盒把笔芯放进笔里 put the refill into a penA:Why are you writing with a refill? It'll be more convenient if you put it into a pen.你为什么用笔芯写字呢?你把笔芯放进笔里会更方便。B:I kno...