词汇	羽毛形
释义	羽毛形 penniform
随便看	two-T-account method two summers ago two supply circuit two-supply circuit two-surface two-surface lens two surfaces in contact Two surfaces rubbing together generate heat two surpluses two surpluses of BOP two-surrounding marketing two surveillance two-survey method Two suspects are in custody two suspicious characters were brought in two-syllable two-syllable cluster two-syllable compound words two-syllable dun two-syllables two-syllable words twosymbol two symbol two-symbol two-symbol turing machine