例句與造句

1. Direct flight muscles generate the upward stroke by the contraction of the muscles attached to the base of the wing inside the pivotal point.
2. Other than the two orders with direct flight muscles, all other living winged insects fly using a different mechanism, involving indirect flight muscles.
3. Indirect insect flight muscles are composed of two sets of perpendicular muscles ( see left figure ) that are attached to the thorax ( instead of directly to the wing base as is the case for direct flight muscles ).
4. Suggestions have been made that wings may have evolved initially for sailing on the surface of water as seen in some dragonflies with two sets of wings, direct flight muscles, and no ability to fold their wings over their abdomens.
5. Most insects fly by beating their wings and to power their flight they have either direct flight muscles attached to the wings, or an indirect system where there is no muscle-to-wing connection and instead they are attached to a highly flexible box-like thorax.
6. It's difficult to find direct flight muscle in a sentence. 用direct flight muscle造句挺難的