The high geotherm the upper mantle diapir and the corresponding lithosphere thinning regions.这种高地温线与该区上地幔的底辟上涌和岩石圈的相应减薄有关.The parks and squares looked grim under a mantle of soot and ash.在一层烟尘的笼罩之下，公园和广场显得阴沉沉的。The vice-p...
She has the intellectual form to take up the mantle of leadership.她具备担当领导职责的聪明才智。The vice-president must now take on the mantle of supreme power.副总统现在必须承担起最高权力的重任。The earth bore a thick green mantle of vegetation.大地覆盖着一层...
He drags his leg, and he can hardly lift his arm.他拖着腿，几乎举不起他的胳膊。He took last drags at his cigarette and stood up.他抽完最后几口烟,站了起来.She always drags behind.她总是落在后头....
Barium is found in some oilfield brines in concentrations greater than 100 mg / litre.在有些油田卤水中,钡的浓度大于100毫克/升.At lower concentrations they may even be stimulants of cell division.在浓度较低时,它们甚至能促进细胞分裂.Methods Three different...
He became an RAF navigator during the war.他在战争期间成为皇家空军的领航员。He entered RAF service in the closing stages of the war...战争快要结束的时候，他加入了英国皇家空军。For its part , RAF says any scrapped jets must come from the navy's Harrier s...
The flag a Guinness record as being the world's largest.它被吉尼斯世界纪录评为世界上最大的旗子.Try some draught Guinness; it'll put hairs on your chest.尝尝桶装的黑啤酒, 它会使你有男子汉的气魄的.It owns famous drink brands including Johnnie Walker ,...