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1·A baby harp seal rests on the Arctic ice.

一只海豹宝宝趴在北冰洋的冰块上。

2·A baby harp seal rests on the Arctic ice. Its mother can distinguish it from hundreds of others by scent alone.

婴儿动物图片。一只格陵兰海豹婴儿休息在北极多年冰。它的妈妈能够从好几百的其它婴儿海豹经由独自的气味辨认区别她的婴儿。

3·Objective: To determine the contents of eicosapentaenoic acid (EPA) , docosapentaenoic acid (DPA) and docosahexaenoic acid(DHA)in harp seal oil by capillary gas chromatography.

目的：用毛细管气相色谱法测定海狗油中二十碳五烯酸（EPA）、二十二碳五烯酸（DPA）和二十二碳六烯酸（DHA）的含量。

4·A harp-like instrument depicted on an Indus seal and two shell objects found at Lothal indicate the use of stringed musical instruments.

一个竖琴般的乐器描绘在一个印度的图案上，还有两个 贝壳 状的物件发现在洛塔尔，表明了对弦乐器的使用。