We reached a beautiful grotto, whose entrance was almost hiden by the vine.我们到达了一个美丽的洞穴,洞的进口几乎被藤蔓遮掩著。I am the true vine, and my Father is the husbandman.1我是真葡萄树, 我父是栽培的人.Kudzu vine can be used as medicine.葛麻是可以入药的.The vi...
It is a layer of guanine crystals which glow at night.这是的氨基羟尿环水晶层数发光在晚上.These crystals are then embedded in a plastic, and the plastic is extruded as a wire...然后将这些晶体嵌入一块塑料，再把塑料挤压成线。We tried to grow some copper sulphate ...