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this file cabinet幫我搬文件柜? It belongs against the wall應(yīng)該靠墻放next to the bulletin board.M: At your service.62. at the crack of dawnI’m getting up at the crack of dawn (破曉).63. at the dedication ofAbraham Lincoln delivered his most famous address at the dedication of the soldiers cemetery in Gettysburg.64. at the mercy ofWithout any protection against。 fastenThe virus replicates by attaching to a cell and injecting its nucleic acid.We have to cover ourselves up so that baby cranes will not bee attached to us.72. attribute sth to sbconsider as resulting from, proper to, or belonging to a person or thingSoldiers rarely hold the ideals that movies attribute to them, nor do ordinary citizens devote their lives to unselfish service of humanity.73. back and forthMostly I’ll just be using the bike to get me back and forth from work.74. back upTo cause to accumulate or undergo accumulation 使聚集引起堆積或經(jīng)過積累The accident backed the traffic up for blocks. Traffic backed up in the tunnel.事故引起了交通阻塞。 averseDan is allergic to cats.83. be around在附近M: Is Sally still around? I was going to ask her if she wanted to walk to class with me.84. be associated with與相聯(lián)系The process is associated with the formation and melting融化 of sea ice.85. be at riskPains are sure sign that your hearing is at risk.86. be available to使可得到Their reports of the climate, the animals and birds, the trees and plants, and the Indians of the West were made available to scientists.87. be aware意識(shí)到I’m sure you are aware that onethird of your final grade is based on your lab work.88. be bare ofWritten to be performed on a stage bare of scenery, Thornton Wilder’s play Our Town depicts life in a small New England munity.89. be beatbe very tired筋疲力盡M: It’s almost midnight. Why don’t we leave those dishes until tomorrow?W: Good idea! I’m beat.90. be behind in sth延遲, 落后M: Hey, Larry. Wanna (= Want to ) meet a few of us for coffee in a little while?W: Hmm, I would if I weren’t so far behind in this reading I’m doing for history.91. be behind time落后M: Boy, how quickly technology changes! So many people have a puter in their home nowadays.W: I know. I feel so behind the time.92. be beset withTo trouble persistent