 |
| |||
| pearl oyster | |||
| mother-of-pearl shell (Pinctada martensii, Pinctada maxima, pinctada margaritifera) | |||
| pearl mussel (Margaritana margaritifera); river pearl mussel (Margaritana margaritifera) | |||
|
Perlmuschel : 1 短语, 1 学科 |
| 自然科学 | 1 |
|
| |||
| pearl oyster | |||
| mother-of-pearl shell (Pinctada martensii, Pinctada maxima, pinctada margaritifera) | |||
| pearl mussel (Margaritana margaritifera); river pearl mussel (Margaritana margaritifera) | |||
|
Perlmuschel : 1 短语, 1 学科 |
| 自然科学 | 1 |