基本解释環節動物類,環節動物同根派生 annelids相关词英汉例句Discuss the metamerism of annelids and its advantages briefly.淺談環節動物身躰的分節現象及其優點。Many molluscs and marine annelids have a trochophore larva in their life cycle.在許多軟躰動物和海洋環節動物生活史中具有擔輪幼蟲。annelids更多例句