孩子们在小溪边收集各种形状的石头。

The children collected ___stones of different shapes by the stream.

孩子们在河边捡石头打水漂。

The kids picked up ___stones by the river to skip across the water.

这条项链上的红宝石非常耀眼。

The red ___stone on this necklace is very dazzling.

宝宝出生时重8磅。

The baby weighed 8 ___pounds at birth.

一些孩子用石头砸树上的果子。

Some kids tried to ___throw stones at the fruits on the tree.