| 单词 | rudimentary |
| 例句 | rudimentary adjective 1.•rudimentary carpentry skills:basic, elementary, primary, fundamental, essential. ANT advanced. 2.•the equipment was rudimentary:primitive, crude, simple, unsophisticated, rough, rough and ready, makeshift. ANT sophisticated. 3.•a rudimentary thumb:vestigial, undeveloped, incomplete | Biology abortive, primitive. ANT developed. |
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