People don'tlike to ask questions for fear of appearing ignorant.人们不喜欢问问题，害怕自己会显得很无知。They did not want to give evidence for fear of reprisals.他们因为害怕报复而不想作证。For fear of disturbing others she spoke with bated breath.因...
小囊腔内充满清亮 、 淡黄液体.The loculi are filled with a clear, pale yellow fluid.在叶绿体基质中,有许多由膜封闭形成的扁平小囊,称为类囊体.Chloroplast membranes form elongated flattened fluid - filled sacs called thylakoids.脂质体是一种人工制备的磷脂类生化物质,属携有 双层 包膜的脂质小囊.Li...