So, if you give them an activity like a picture with a number of animals hidden and half hidden and ask, "How many lions, snakes etc. are there?"
所以，如果你让他们做一个活动，如在一幅图画中有一些隐藏或半隐藏的动物，你问，“有多少只狮子，多少条蛇”，等等。
The excreta of aquatic animals - fish, frogs, turtles, snakes, etc - contain similar refractory materials.
水生动植物如鱼、蛙、龟、蛇等的排泄物中也会含有类似的难处理的物质。
The excreta of aquatic animals-fish, frogs, turtles, snakes, etc-contain similar refractory materials.
水生动植物如鱼、蛙、龟、蛇等的排泄物中也会含有类似的难处理的物质。
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