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- the earthworm ecotypic filter 蚯蚓生态滤池
- He trampled the earthworm to death. 他踩死了蚯蚓。
- The girl was frightened by the earthworm. 女孩被蚯蚓吓坏了。
- The earthworm population had declined by 70%. 蚯蚓数量下降70%25。
- The earthworm can regenerate if it's cut in half. 蚯蚓被切成两段后可以重新生长。
- The earthworm is good for our crops. 蚯蚓对我们的庄稼有好处。
- This little boy dares to touch the earthworm. 这个小男孩敢摸蚯蚓。
- Inquiry the form and characteristic of the earthworm. 探究蚯蚓的形态和生理特点。
- He trampled the earthworm to death [the papers into the ground]. 他踩死了蚯蚓[在地上猛力践踏文件]
- The finless eel ate the earthworm in front in one bite. 黄鳝一口就把眼前的蛐蟮吃掉了。
- The earthworm lives in soil. 蚯蚓生活在土中。
- A similar digestive organ found in certain invertebrates,such as the earthworm. 砂囊，胃，内脏在一些的无脊椎动物身上有类似的消化器官，如蚯蚓
- When the earthworm appears in the morning,the sun will shine brightly. 早蚯出太阳,晚蚯迎雨汤。
- You need to filter the drinking water. 你需要把饮用水过滤。
- The sewage treatments with the combination of an anaerobic fixed film reactor followed by a high rate trickling filter without re circulation and with the earthworm bio filter were investigated. 国内新研究开发的厌氧水解-高负荷生物滤池和蚯蚓生态滤池就是其中成功的代表。
- A filter traps dust from the air. 过滤网可存住空气中的尘埃。
- The news of the defeat started to filter through. 战败的消息开始传出来。
- It won't take long to filter the coffee. 用不了多少时间就可以把咖啡过滤好。
- When the murmur and chirp of the early bird is first heard by the earthworm, it squirms in the earth nervously. 当蚯蚓最初听到早起的鸟儿声音或低或高地鸣叫时，它在土里面不安地蠕动。
- A similar digestive organ found in certain invertebrates, such as the earthworm. 砂囊，胃，内脏在一些的无脊椎动物身上有类似的消化器官，如蚯蚓
