"这些蚂蚁住在巨大且空心的荆棘中,并且以这种树分泌出来的糖分为食。
The ants live in large, hollow thorns and eat sugar secreted by the tree.
我们知道它们在管上涂抹了一种液体,但我们不知道它们从哪里分泌出这种液体,也不知道它的化学成分是什么。
We know they smear a liquid on the tube, but we don't know where they secrete it from or what its chemical composition is.
这种植物分泌出一种黏液。
But over and over again, if you put the bell and the food together, pretty soon the bell will generate saliva.
但是,如果铃声和食物多次同时出现,很快,铃声便也能促使狗分泌出唾液。
you're going to release hormones like testosterone and GH, which oxidizes fat for energy.
你就会分泌出像睾丸酮和生长激素那样的激素,把你的脂肪氧化成能量。
If you get--They really count the number of cubic centimeters of saliva.
图标记录了分泌出的唾液量。
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