胎盘绒毛
placental villi
胎盘绒毛炎
villositis
胎绒毛叶
foetal cotyledon
天鹅的绒毛
swansdown
随意收缩
voluntary contraction
缩
contract; crinkle; draw back; shrink; withdraw
缩-2-氨基丙二酰脲酸
uramilic acid
缩氨基
semicarbazones
缩氨基草酰肼
semioxamazone
缩氨基硫脲
thiosemicarbazone
缩氨基脲
semicarbazone
semicarbszone
缩氨硫脲
thiosemicarbazone
缩氨酸
peptide
peptide
缩苯氨
anil; anils
缩苯氨基脲
phenyl-semicarbazone
缩苯胺
anil
缩苯胺喹啉
anil-quinoline
缩差
back spread
缩成一团
shrink into oneself
缩尺
reduced scale
contraction scale; pattern maker's rule