It isn't always easy to separate the wheat from the chaff.分清良莠并不总是很容易。When all the applications came in, our first task was to separate the wheat from the chaff.当所有申请表送来的时候,我们第一项任务是区分优劣。Sift out the wheat from the c...
P - methoxybenzeneacetonitrile was prepared in 34.8 % yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.以苯甲醚为原料,经过氯甲基化, 氰化反应后, 通过精馏获得对甲氧基苯乙腈,总收率为34.8%....
And there is the dread of the unknown, above all , the awful fear of hellfire.而且还有对未知的恐惧; 尤其是对于炼狱的惧怕.There at the fording in the little boat the unknown man plays upon his lute.浅滩的小舟上有个不相识的人正弹着琵琶.An unknown man has stole...
I'm retiring next month. They're putting me out to pasture.我下个月退休。他们要我养老去了。Lillee said he had no regrets about retiring.利里说他没后悔退休。She was a shy and retiring person off-stage.她在现实生活中是个腼腆而且不善社交的人。...