Polystyrene - supported N - benzyl - N - alkyl - aminopyridine was prepared through chloromethylated polystyrene treated with 4 - aminopyridine and alkylation agents.本文以聚苯乙烯氯球为原料,通过与 4- 氨基吡啶及烷基化试剂反应,制成聚苯乙烯支载N - 烷基-N-苄基氨基...
I felt impelled to go on speaking.我感到不得不继续说下去。He felt impelled to investigate further.他觉得有必要作进一步调查。Faith that justice would prevail impelled us forward.正义必胜的信念激励着我们前进....
The soil is reasonably moist after the September rain.9月的雨季过后，土壤已相当湿润。Frogs produce slime to keep their skin moist.青蛙分泌出黏液来使皮肤保持湿润。Besmear face, good color of moist a person.涂面, 令人润泽好颜色.Lanolin acts as a humectant absorb...
The civil war is obstructing distribution of famine relief by aid agencies.内战阻碍着救援机构对饥荒赈济物资的配给。Many women feel ageism is obstructing their career ambitions.许多女性感到年龄歧视问题正阻碍着她们职业抱负的实现。You can't park here, you're ...