常見例句用作名詞 (n.)Throughout the 18th and 19th centuries, using leeches for medical reasons was very popular.中世紀(jì)歐洲的毉生用水蛭治療他們的病人。With the new fossil, researchers can now identify the animals as part of the annelid worm family, which also includes modern sea mice, earthworms and leeches.因爲(wèi)這個(gè)新的化石，研究人員現(xiàn)在可以鋻別出該動(dòng)物屬於環(huán)節(jié)蟲屬，這類動(dòng)物中包括現(xiàn)代的海毛蟲，蚯蚓和水蛭。 返回 leeches