| 单词 | mouth aperture | 
| 释义 | > as lemmasmouth aperture   mouth aperture  n. ΚΠ 1877    Globe Encycl. III. 170/2 at Gasteropoda  				The mouth aperture may be unindented..or indented by a groove for the passage of a breathing-siphon. 1880    Amer. Naturalist 14 15  				The mouth aperture is widely distended, and the offending substance is thrown out of the body. a1933    J. A. Thomson Biol. for Everyman 		(1934)	 I. x. 179  				At the lower pole [of the sea-urchin] there is the large circle of the peristome, so much larger than the mouth aperture by itself. 1953    K. Jackson Lang. & Hist. in Early Brit. 573  				The degree of mouth-aperture. 1988    Proc. Royal Soc. B. 234 263  				The calculated pressure inside the mouth cavity is independent of radial position, except very near the mouth aperture. < as lemmas  | 
	
| 随便看 | 
	
  | 
	
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。