ratchet mechanism
棘轮机构，棘轮传动装置
Chromosome Research on Paa Boulengeri and Paa Yunnanensis (Ranidae: Paa);
棘腹蛙和双团棘胸蛙（蛙科：棘蛙属）染色体研究
ratchet wheel
棘轮, 制轮, 闸轮
primary radials
原辐板(棘皮动物)
a ticklish question [situation]
棘手的问题 [形势]
The crown of thorns was made of real thorns, and was nailed to the sacred head.
荆棘冠冕是真荆棘编的，钉在圣灵头上。
Listen,the thorn bird is singing--About the love tragedy of the thorn bird
听,荆棘鸟在歌唱——论《荆棘鸟》的爱情悲剧
Study on Phenotypic Diversity in H.rhamnoides Subsp.sinensis and H.rhamnoides Subsp.yunnanensis with a Discussion on Origin of H.goniocarpa;
中国沙棘、云南沙棘表型多样性研究
The Hard Journey Loading With Thorns--Analyzsis of the Life Process of Maggie in The Thorn Birds;
荆棘满途——析《荆棘鸟》中梅吉的人生之旅
The pawl, wheel, or bar of this mechanism.
棘轮，棘爪，棘条这种机械装置中的爪状物，转轮或长条
Analyses of Chemical Composition and Genetic Diversity of Hippophae Rhamnoides ssp.sinensis, ssp.yunnanensis and ssp.gyantsensis;
中国沙棘、云南沙棘和江孜沙棘居群的化学成分与遗传多样性分析
The lack of a license was pinching me.
没有执照我感到很棘手。
The thorns tore her skin.
棘刺划破了她的皮肤。
collapsible pallet
可收缩的棘齿轮的掣子
testaceous echinoderms.
有界壳的棘皮类动物。
class of echinoderms including the sea cucumbers.
包含海参的棘皮类动物。
acanthomatous ameloblastoma
棘皮瘤型成釉细胞瘤
acanthomatous type of ameloblastoma
棘皮瘤型造釉细胞瘤