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单词
pcb
释义
pcb
PCB n:
initialism (compound: polychlorinated biphenyl) (化合物)
SC
多氯联二苯
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letterhead
letterheaded
lettering
letter of credit
letterpress
letters
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let the cat out of the bag
letting
letting out
lettuce
let up
let-up
letup
let up on
leucocyte
leukaemia
leukemia
leukemic
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lev
lev.
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levanter
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更新时间:2026/6/18 4:08:44