缺少维生素D的饮食可能导致软骨病.A diet deficient in vitamin D may cause the disease rickets.富人的狗可以得到穷人的孩子为了避免软骨病而必须饮用的牛乳.Richs'dog may receive the milk that a poor child needs to avoid rickets.低水平的维他命D能导致像软骨病和骨质酥松症等疾病.Low level le...
I was left shouting abuse as the car sped off.汽车飞驰而去，留下我在那里大声咒骂。A car sped past, raising a cloud of dust.汽车飞驰而过, 卷起一阵尘土.He sped his car through the street.他开车飞速地穿过街道....
North American fern with a blackish lustrous stipe.带有光亮叶柄的一种北美蕨类.Kennicott was cordial to Fern Mulins.肯尼科特对弗恩马林斯小姐倒是很亲热.She cast a sidelong glance at Fern.她瞟了一眼弗恩.Murawski A carnivorous Eupithecia caterpillar prowls a fe...
The crowd stampeded and many were crushed or trampled underfoot.人群争先恐后地奔逃，很多人被压伤或踩踏。The carpet of pine needles was soft underfoot.脚下厚厚的松针踩上去软绵绵的。Morgan dropped his cigarette and crushed it underfoot.摩根把香烟丢到地上，用脚踩灭。...