silt at the bottom of an estuary河口水底的淤泥We moored in the estuary, waiting for high tide.我们在港湾停泊, 等待涨潮....a damp, old castle, romantically sited on a river estuary.坐落在河湾之上的一座阴冷潮湿的古城堡，仿佛传奇中描述的一般We live near the Thames estua...
The stream debouches into the estuary.这条河流入河口湾.We live near the Thames estuary.我们的住处靠近泰晤士河入海口.We moored in the estuary, waiting for high tide.我们在港湾停泊, 等待涨潮....
这种蜡质属于乙醇有机溶剂的萃取物.The waxes are classed as alcohol or organic solvent extracted materials.在许多细胞中,含量最高的磷脂是磷脂酰乙醇胺或脑磷脂.The most abundant phospholipid in many cells is phosphatidyl ethanolamine or cephalin.这些反应能把四分之三的乙醇酸的碳保存在...
After the meal, I could feel lethargy overtaking me.饭后我昏昏欲睡.She was suddenly overcome by lethargy.她突然委靡不振.Get your body moving to boost energy, stay supple and shake off winter lethargy.锻炼身体以增加活力，保持柔韧性，甩掉冬日的慵懒。...