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单词
proficiency
释义
proficiency n[U] ~ (in sth/doing sth)being proficient (in sth) 精通; 熟练 a test of proficiency (in English) (英语)水平测试 show proficiency in operating a switchboard 操作配电板十分熟练.
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raw-boned
rawhide
raw material
rawness
ray
rayon
raze
razor
razor-back
razor-blade
razor-edge
razor-sharp
razz
razzle
razzmatazz
RC
RCM
RD
re
re-
reach
reachable
reach-me-downs
react
reactant
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更新时间:2026/1/11 10:41:35