gooky滑腻的       squishy湿软的      shallows浅滩   limbs[lɪmz]四肢

metamorphosis[ˌmetəˈmɔːrfəsɪs]    predators[ˈprɛdətərz]

I have got my polarize sunglasses on. So I can usually see really well into thewater. 

When they see me coming, they ran out into depth.

one of our earliest encounters with wildlife was discovering the fascinating creatures that live in and around a pond.

simple代替easy

outdoor learning activity

Flour sieve面粉筛

white-bottomed plastic tray

make great makeshift 临时的 aquariums to hold your catches.

wellies长筒雨靴

As with any activity in nature

tweezers[ˈtwiːzərz] 镊子

forceps[ˈfɔːrseps]医用钳子

Pipettes [paɪˈpet]吸移管

larvae['lɑrvi] 幼虫

damselfly[ˈdæmzlflaɪ]

carnivores[ˈkɑːrnɪvɔːr]

invasive[ɪnˈveɪsɪv] 侵入性

amphibians[æmˈfɪbiən] 两栖动物

Invertebrates[ɪnˈvɜːrtɪbrət]无脊椎动物 live at different depths so make sure you sweep at the surface, middle and towards the bottom of the pond, making sure you don’t churn[tʃɜːrn]  up搅乱 the bottom mud. Quickly lift the net out.

straightaway立刻

Sweeping through the submerged stems of emergents can be rewarding收货颇丰, but take care not to uproot 根除the plants.

not in direct sunlight.