The cumulus cloud to the left shows a less remarkable virga shaft , but here the rain doesn 't make it all the way to the ground .

左面的积雨云则表示了一个不太明显幡状云的轴线，然而这里的雨水，并非自始至终都能使幡状云降落到地面。

China 's refined-copper imports soared 99 % in february from a year ago , perhaps indicating that ' they want to have the material available ' when infrastructure projects start , says catherine virga , a researcher at commodities research firm cpm group .

大宗商品研究公司cpmgroup的研究员维尔加（catherinevirga）说，中国2月份精炼铜进口较上年同期飙升了99%，这可能表明中国希望在基础设施项目开工之时准备好这种原材料。