A hedgehog rolls itself into a ball when attacked.刺猬一受到攻击就蜷缩成一团.The hedgehog rolled itself up.刺猬把身子蜷缩成一团.A hedgehog's spines point backwards.刺?的刺毛是向后长的....
The computer repeats a set of calculations.计算机重复着一组运算。Both have fudged their calculations and avoided specifics.两人都对自己的计算结果含糊其词，避免提到具体数字。20 per cent of the calculations are wrong.这些计算有20%是错误的。...
intensively reared beef cattle集约式饲养的肉牛The process of carbonation precipitation is intensively affected by super - saturation.碳酸化分解过程强烈地受到过饱和度的影响.Will they farm the rest of their land less intensively?他们会在其余土地上实施较轻程度的集约化耕...
水手们用绞盘或起锚机把缆绳拉起来.Sailors hove up the cable with windlass or capstan.绞盘式照排机的处事道理如图2所示.Capstan imagesetter works such as shown in Figure 2.我镟制并安放两组分绞盘的下半部.The two part capstan I turned and mounted the lower half....