可有可无的英语翻译
可有可无的英文和例句“点击”或“选中”例句中的单词，就可以看到词义解释
- 较高的湿度可以受益的虎皮鹦鹉，但不是必不可少的。
- A higher humidity can benefit your budgerigar , but is not essential .
- 但中心粒对于纺锤体的形成并不是必须的，尽管具有相似的结构－基体，中心粒对于波动足微管的形成有重要作用。
- However , the centriole is not essential for spindle formation , although an analogous structure , the basal body , is responsible for organizing the microtubules of undulipodla .
- 如果激振点安设得当，这个要求在实际上并不重要。
- This requirement is not essential in practice if the locations of the exciter stations are chosen judiciously .