英语词汇“primitive trace”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

primitive trace n. Embryology disused = primitive streak n.

ΚΠ

1839 Philos. Trans. (Royal Soc.) 129 327 Authors on the ovum of the Bird describe their ‘primitive trace’ of the embryo as originating in that which has been denominated the ‘central, thickened part of the germinal membrane’.

1928 C. S. Whitehead & C. A. Hoff Ethical Sex Relations (new ed.) i. iv. 155 In its centre is a delicate line or furrow running longitudinally from front to rear, which is called the primitive trace.

单词	primitive trace
释义	> as lemmas primitive trace primitive trace n. Embryology disused = primitive streak n. ΚΠ 1839 Philos. Trans. (Royal Soc.) 129 327 Authors on the ovum of the Bird describe their ‘primitive trace’ of the embryo as originating in that which has been denominated the ‘central, thickened part of the germinal membrane’. 1928 C. S. Whitehead & C. A. Hoff Ethical Sex Relations (new ed.) i. iv. 155 In its centre is a delicate line or furrow running longitudinally from front to rear, which is called the primitive trace. extracted from primitiven.adj. < as lemmas
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> as lemmas