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- A mid-song sound that Dr Koren and Dr Geffen dubbed “chucks” communicates size (body length and head diameter) and also level of stress (as measured by cortisone levels). 另一种被柯仁博士和吉芬博士冠以“男中音”的咯咯咯咯的声音则向他们的求偶对象传递着它们的体型（包括身长和头寸），同时也传达着他们的努力程度（这种努力程度是通过肾上腺皮质酮的水平来衡量的）。
- Thus, for a given acetabular shell size, a large head diameter can be used (fi gure 6), which provides enhanced joint stability and a large range of movement before the neck impinges on the socket. 因此，同样的髋臼型号，金属假体可以使用更大的股骨头匹配，这既增强了关节的稳定性，也减少了股骨颈-髋臼缘的撞击而允许更大的活动范围。
- At the same time design variables, such as cutting head diameter, cutting first hand tap corner, rise angle of the helical blade, and so on, and subjection functions are discussed. 选择截割头钻进速度作为优化设计的目标,选取截割头直径、截割头锥角、叶片螺旋升角等作为设计变量,讨论了其隶属函数。
- She nestled her head on his shoulder. 她将头依偎在他的肩上。
- The deer lowered its head to drink from the pond. 鹿低下头去喝池塘里的水。
- He gave the little boy a clout on the head. 他在那小男孩的头部打了一下。
- I saw the small girl topple over and hit her head. 我看见那小女孩栽了一跤，碰着了头。
- I was dazed by the blow on my head. 我的头挨了一击而觉得晕眩。
- She leaned her head back and whispered the news. 她向后仰着头，小声说出了这个消息。
- The horse kicked its fallen rider about the head. 那匹马乱踢从它背上掉下来的骑手的头部。
- A price of $1000 was set on the jewel thief's head. 悬赏1000美元抓住这个珠宝窃贼。
- As I was waiting for a bus a brick fell on my head. 当我在等公共汽车时，一块砖头落到了我的头上。
- He because of bashful but low head. 他因羞愧而低下了头。
- She greeted us with a nod of the head. 她向我们点点头打招呼。
- He was sitting with his head buried in a book. 他坐着埋头看书。
- He batted the idea around in his head. 他脑子里反复思考这个想法。
- How can I enlighten your wooden head? 我怎么才能让你这木头疙瘩开窍呢？
- The guilty man bowed his head in shame. 那个有罪的人羞愧地低下了头。
- The heavy box landed crash on his head. 沉重的箱子哗啦一声掉到他的头上。
- The horse perked up its head when I shouted. 我吆喝时那马扬起了头。
