在粗糙不平的水泥窗台上有一条细细的发光水印。A thin, glistening thread of moisture ran along the rough concrete sill.我会把玩具排在这个窗台上来玩。I would line up my toys on this windowsill and play.她从窗台上拿起一把剪刀。She picked up a pair of scissors from the windo...
N, N - diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.以苯胺和溴乙烷为原料,用四乙基氢氧化铵作相转移催化剂,在常压下合成N, N二乙基苯胺....
She would balance and temporize endlessly before reaching a decision.她在做出决定前会不断地犹豫观望和见风使舵.He yakked on endlessly about his wife.关于他的妻子, 他喋喋不休地说个没完。arguing endlessly about money为钱财问题无休止地争吵a boring and endlessly repetitive...