颊窝毒蛇的毒牙是长的空心管子.The fangs of pit vipers are long, hollow tubes.只有四分之一的蛇具有毒液和毒牙.Venom and fangs are found in only a quarter of all known snakes.在蛇的进化史上,毒牙的出现是新的进步.A more recent advance in the evolutionary story of snakes i...
The nightdress has handmade lace round the armholes and neckline.这件女式睡衣的袖孔和领口都镶着一圈手织花边。As they're handmade, each one varies slightly.由于它们是手工制作的，彼此都会有些微小的差异。Handmade goods appeal to those who are tired of cookie-cutt...