一细的尖头金属,用于楔入某物,如图钉.A slim, pointed piece of metal hammered into material as a fastener.由压缩铝管制成,可以张开并楔入保护点.Made of telescoping aluminum tubes that expand and wedge in place.鞋底坡跟处楔入与鞋面颜色相匹配的夹层,这一别样的点缀与鞋面相得益彰.Fun colors pop...
这些细胞称为内胚层细胞.These cells are known as endodermal cells.这些表皮细胞在胚胎学上把源于支气管生长过程中的前内脏叫内胚层.These epithelial elements arise embryologically from foregut endoderm in the process of bronchial tubular growth....