Rescuers used props to stop the roof of the tunnel collapsing.救援人员用支柱防止隧道顶塌陷。...the backdrop and props for a stage show.一场舞台剧的背景幕和道具Wood is still extensively used for props.木材仍广泛地用于支柱.I had two props in my life; one was ...
Its banks were shaded by cottonwood and redwood trees.河流的两岸被棉花树和红木树遮蔽住了。Cottonwood, maple, pinewood, birch , miscellaneous tree, trimmed log or heart wood of clamp - shaft remained.杨木, 枫木,松木, 榆木, 杂木, 修直以后的原木或有卡剩下的木芯....
Exogenous estrogen . Continuous exposure to unopposed estrogen results in endometrial hyperplasia.外源性雌激素:长期暴露与无拮抗的雌激素环境下可导致内膜增生过长.In women, indole - 3 - carbinol may turn the estrogen associated with breast cancer into a...