n.［動(dòng)］腹足動(dòng)物

A gastropod of the subclass Pulmonata. 有肺的腹足綱動(dòng)物

Any marine gastropod in the order Nudibranchia. 裸鰓目的海生腹足類動(dòng)物的統(tǒng)稱。

Either of the margins of the aperture of a gastropod shell. 腹足綱軟體動(dòng)物缺口的兩個(gè)邊緣中的任一個(gè)

The inner margin of the opening of a gastropod shell. 唇狀部分腹足綱軟體動(dòng)物貝殼開口處的內(nèi)部邊緣。

A spiral formation, such as one of the whorls of a gastropod shell. 螺旋形一種螺旋形狀，如一個(gè)渦螺殼上的螺旋

The outer margin of the opening of a gastropod shell. 孔緣腹足綱的軟體動(dòng)物的貝殼的殼口外緣。