They've set off for the long trudge home.他们出发了,长途步行回家.He wished he was not in a room so far from the bathroom. There was nothing for it but a long trudge through the house.他真希望自己的房间离卫生间不那么远，没别的办法，只能走上长长的一段穿过屋子。It wa...
The flowers get pollination by insects.这些花通过昆虫授粉。Early archegonial development is already evident two weeks after pollination.颈卵器的早期发育在授粉后两周内就业已明显.They damage female strobili during the interval between pollination and f...
当这些聚体达到一定体积时,内部的细胞变成木质化.When the aggregates reached a certain size the inner cells became lignified.木质化足以使细胞变硬和增强.This lignification serves to stiffen and strengthen the cells.细胞壁多发生木质化而次生加厚.The cell wall has undergone s...
Marine snakes use a similar desalting mechanism.海蛇也运用类似的脱盐机制.Principal application of reverse osmosis has been in desalting brackish waters for domestic consumption.反渗透主要应用于生活用含盐水的脱盐.High velocity electrical desalting te...