breech presentation.
臀先露。
breech presentation.
臀先露。
breech delivery (=breech birth)
婴儿足或臀部先露出盆
The basic forms of jacket, vest, and breeches developed slowly.
上衣、背心、马裤基本式样发展很缓慢。
He was dressed in a dark-green frock coat, breeches of the colour of the cuisse de nymphe effrayée, as he called it, stockings and slippers.
他上身穿一件深色燕尾服,正如他自己说,下身穿一条受惊自然女神颜色长裤,脚上穿一双长统袜和短靴皮鞋。
Fears of tightness in the products markets bolstered the crude oil with Gasoil in Europe leading the way breeching stellar levels over $1,200 dollars per tonne.
市场对产品紧缺担忧推动原油价格,而欧洲汽油则超过每公吨$1200全新价位。
The earliest muzzle-loading rifles were more difficult to load than smoothbore muskets, but the invention of metallic cartridges made possible the development of breech-loading mechanisms.
最早前装步枪装弹比滑膛枪困难,但金属弹药筒发明促进了后膛装弹装置发展。
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