Do you know why he was mulling and hesitating?你知道他为什么前思后想、犹豫不决吗？She stood hesitating on the threshold.她站在门口，犹豫不决。He's still hesitating about joining the expedition.他对于参加这次探险队仍犹豫不决....
他们会透过那扇经受风吹日晒的老木门的缝隙向外张望。They would look out through the cracks of their weather-beaten door.除草剪刀；专门用于修剪缝隙角落里的青草。Grass shears are specially made to trim grass growing in awkward places.他透过帘子之间的缝隙偷看。He peered through a ch...
All these measures were calculated to prevent water-logging by rainstorm or mountain torrents.这些措施都是为了预防暴雨或山洪造成的涝灾。All these measures were calculated to prevent water - logging by rainstorm or mountain torrents.这些措施都是为了预...
他有一双蓝灰色的眼睛透着朦胧梦幻般的美。He had smoky grey-blue eyes.在朦胧的暮色中很难看清他。It was hard to see him clearly in the twilight .她泪眼朦胧地望着他的脸.She saw his face through a mist of tears....
The clone anergy and clone deletion are considered as the major theories of the immunotolerance mechanism.以往观点认为,T细胞 免疫耐受机制主要有克隆无能和克隆删除两种学说.This involved the deletion of a great deal of irrelevant material.这包括删除很大一部分不相关的...