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- We should study our ancestral achievements. 我们应该学习祖先的成就。
- Dangerous effluent is being poured into our rivers. 有害的废水正流入我们的江河里。
- They kept their ancestral customs. 他们保持了祖辈的习俗。
- Continually heavy rain made some rivers act up. 连续不断的大雨造成一些河流泛滥。
- The river had worn a ravine between the hills. 那条河在两山之间已造成一个深谷。
- Can we dredge the river to make it deeper? 我们能不能把这条河疏浚得深一点？
- Navigation is difficult on this river because of the hidden rocks. 因为河上有暗礁，所以在这条河上航行很困难。
- The police dredged up the parcel from the muddy river. 警方从浑浊的河水中捞出包裹。
- A reversion to a former type or ancestral characteristic. 返祖恢复到从前的类型或祖先的特征
- It's a rich mosaic of meadows, rivers and woods. 这是一幅由草地，河流，树木组成的五光十色的镶嵌画。
- A pregnant lady rescued him from the Suzhou River. 一个孕妇把他从苏州河救了起来。
- The river opens out suddenly into a broad estuary. 江面忽然开阔起来，形成一个宽广的河。
- The river flows through the city from east to west. 这条河从东到西贯穿这座城市。
- We ferried the river on a small boat. 我们用小船渡过那条河。
- He drinks rivers of tea every day. 他每天喝大量茶水。
- The two rivers meet near the capital. 这两条河在首都附近会合。
- The Magnoliales are not seen as an ancestral group. 木兰目不能看作是一个祖先类群。
- The new canal will link the two rivers. 新运河将两条河连在一起。
- Many rivers are defiled by industrial waste. 许多河流被工业废水污染了。
- Being little evolved from an early ancestral type. 初民的不从早期的遗传类型进化的
