例句與造句

1. After this the prototroch and apical tuft are cast off and the shape of the organism changes from elongated to oval in outline about 0.5mm in length with only seven calcareous valves.
2. The trochophore stage is often succeeded by a veliger stage in which the prototroch, the " equatorial " band of cilia nearest the apical tuft, develops into the velum ( " veil " ), a pair of cilia-bearing lobes with which the larva swims.
3. This implies that the ectoproct larva is a trochophore with the corona being a homologue of the prototroch; this is supported from the similarity between the coronate larvae and the Type 1 pericalymma larvae of some molluscs and sipunculans, where the prototroch zone is expanded to cover the hyposphere.
4. This implies that the ectoproct larva is a trochophore with the corona being a homologue of the prototroch; this is supported from the similarity between the coronate larvae and the Type 1 pericalymma larvae of some molluscs and sipunculans, where the prototroch zone is expanded to cover the hyposphere.
5. It's difficult to find prototroch in a sentence. 用prototroch造句挺難的