Block out this unimportant detail at the top of your picture.在底片上把图像上部的这个不重要的细节涂抹掉.Block out the bottom of this picture when it is printed ; the balance of the page will be better.洗印的时候, 压掉照片的底部,这样看起来平衡效果好些.The standard ...
他们正尽最大的努力让离散的家人重聚。They're trying their best to bring together those separated families.英吉利海峡隧道是欧洲最大的土木工程。The Channel Tunnel project is the biggest civil engineering project in Europe.蓝鲸是地球上体型最大的生物。The blue whale is ...
Isopentyl lactate was synthesis from acid and isopentyl alcohol in the presence of ferric chloride hexahydrate.在六水三氯化铁存在下可以由乳酸和异戊醇合成乳酸异戊酯.Ferric Chloride alone gives polymer with benzene.三氧化铁可单独催化苯的聚合.The ferric acetylac...