例句與造句

1. This drawing may be variously described as an " ambiguous figure ", " reversible figure " or " bistable figure ".
2. Shepard predicted that the two tones would constitute a bistable figure, the auditory equivalent of the Necker cube, that could be heard ascending or descending, but never both at the same time.
3. It's difficult to find bistable figure in a sentence. 用bistable figure造句挺難的