The ducklings are cheeping.小鸭咻咻地叫着.The ducklings are swimming close to their mother.小鸭子紧挨着母鸭游水.The ducklings plumped into the water.小鸭子扑嗵扑嗵跳入水中.The ducklings have shed their yellow down.小鸭褪了黄毛....
The dye is reduced by dehydrogenase enzymes released by viable tumour cells.染料被存活的肿瘤细胞放出的脱氢酶所还原.Intracellular PHB depolymerase and 3 hydroxybutyrate dehydrogenase catalyze the initial reactions of intracellular PHB catab...
The many laughs we have had together would infallibly come across me.我必然会想起我们在一起的嘻嘻哈哈.Every day she arrives, infallibly, five minutes late. I could time my watch by her!她每天晚到五分钟, 从无例外, 我都能依照她来对表!When the rate of interest...