1. 环状体：(1)滋养体(trophozoite):为疟原虫在红细胞内摄食和生长,发育的阶段.按发育 先后,滋养体有早,晚期之分.早期滋养体胞核小,胞质少,中间有空泡,虫体多呈 环状,故又称之为环状体(ring form).以后虫体长大,胞核亦增大,胞质增多,
2. 环形体：erythrocytic cycle 红细胞内期 | ring-form 环形体 | amoeboid form 阿米巴型
3. 环形：ring forging ==> 环形件锻造,圆筒件锻造 | ring form ==> 环形 | ring formation ==> 成环作用
1. They are known as Ternate Bridges, as they cross three rivers at their confluence and form a natural ring road.
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2. It takes at least three adults to form a ring around it with their hands.