They are now trying to compete on an equal footing.他们现在想要公平竞争。They decided to put their relationship on a more formal footing.他们决定正式交往。Robert lost his footing and slithered down the bank.罗伯特失足滑下了河岸。...
Markov died after being struck by a poison dart.马尔科夫身中毒镖而亡。Dart, who had at first been very tense, at last relaxed.起初，达特非常紧张，最后终于放松了下来。Car horns toot as cyclists dart precariously through the traffic.骑车人危险地在车流中飞速穿行时，汽车喇叭...
Enzyme - linked immunosorbent assays ( ELISA ) were developed for lactoferrin determination of bovine colostrum.应用酶联 免疫 法测定初乳中乳铁蛋白的含量.Beestings: also beastings , The first milk secreted by a mammal, especially a cow, aft...