拇指ぼし対向たいこう性せい

boshitaikō sei

1. Not opposable thumb.; Not having opposable thumbs.

1. Was thumb-opposed.; Had opposable thumbs.

1. thumb opposition

1. Opposed-thumb; Thumb-opposed

1. It is not thumb opposition.; It lacks thumb opposition.

1. Not thumb opposition.; Not having thumb opposition.

1. Was thumb opposition.; Had thumb opposition.

1. Opposable thumbs.

1. Not opposable thumbs.; Not having opposable thumbs.

1. Wasn't opposable thumb.; Didn't have opposable thumbs.

1. Probably thumb opposition.

1. Was not opposable thumbs.; Did not have opposable thumbs.

1. Wasn't opposable thumbs.; Didn't have opposable thumbs.

1. Probably opposable thumbs.

1. Was not opposable thumb.; Did not have an opposable thumb.

1. If/when thumb opposition existed.; If/when having opposable thumbs.

1. If the thumb is opposable.; If there is thumb opposition.

1. If/when thumb opposition exists; If/when opposable thumbs are present