The murderer's entreaties for mercy availed to nothing.无人理会杀人犯的求饶.No words availed to pacify him.说什么也不能使他平静下来.But what availed his expressions or his air?但是神态和表情有什么用 呢 ?...
Lichen is a form in which green or bluegreen algae and a fungus live together symbiotically.地衣是一种绿藻或蓝藻与一种真菌共生的形式.Holdfast ( hapteron ) In algae , the cell or organ that attaches the plant to the substrate.固着器:是藻类植物具有的一种起...