小男孩儿跪在地上用小铲把沙子放入红色的桶里。
On his knees he scoops and packs the sand with plastic shovels into bright red bucket.
用小铲。
用小铲把河床表面的物质铲到金属筛里，将金属筛在水中轻轻转动。
Use a trowel, collect the top layer of the sediment. Place the sediment in a sieve and STIR it gently in the water.
若是软基质，用小铲挖出表面5 -10厘米厚的基质，找出砂泥中的动物，点算和鉴定。好评(0)。
For soft substratum, dig out the top layer (5-10 cm thick), sort out the animals, identify and count them.
用耐热的橡胶小铲翻动大煎饼四周并倒入盘中。
Run heatproof rubber spatula around frittata to loosen and slide out onto plate.
用耐热的橡胶小铲翻动大煎饼四周并倒入盘中。
Run heatproof rubber spatula around frittata to loosen and slide out onto plate.
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