奇妙的蛋壳Eggshells break easily. It’s too hard to cut on an eggshell. But it’s a piece of cake for 72-year-old Franc. He is a famous artist from Slovenia (斯洛文尼亚). Look at his egg artwork. It’s really ……

. ( )hard ( )softWhy?Calcium carbonate (碳酸钙) makes the eggshell hard. Vinegar is an acid (酸). It can dissolve (溶解) the calcium carbonate in the eggshell. The egg then becomes soft. ……

shipjettrucktankmotorcycle. ……

LowellScientists 3D print ‘eggshell bones’ Scientists 3D print ‘eggshell bones’ 科学家用鸡蛋壳“打印”人体... and become stronger.If someone loses a bone, doctors can put the “eggshell bones” into the person ……

.4-millimeter-thick piece of eggshell, alayer(层) of paint and a 1.5-millimeter-thick human tooth ……

for a day or two and the eggshell will disappear completely. ……

for a day or two and the eggshell will disappear completely. ……

ON a sunny day a ship was in the harbor (港口). Suddenly the ship began to go under the water. There was no storm (风暴) and nothing wrong with the ship. It went down right in front of people's eyes ……

能出海的房子The ship carries1 my house to the sea. ……

A: I want to play for the other team.B: You're not going to jump ship, are you?--------------jump ship: 弃船逃跑，临阵脱逃 ……

the order was clear.The living organism inside the eggshell would have had the same DNA as the chicken ……

神气的蛋皮船
What you needegg防水颜料brushglue colored paper牙签橡皮泥What to do 轻轻地在鸡蛋的顶端敲一个小口，使蛋清和蛋黄流出来。 Clean the eggshell with water. When it's dry, break off pieces to make a boat shape. Paint (涂上颜料) the shell. When ……

said in a weak voice: “I want a fried egg without eggshell (蛋壳).” ……

boy said in a weak voice: “I want a fried egg without the eggshell (蛋壳).” ……

the amazing eggshell technique (薄胎技艺), which started during the Ming Dynasty (1368-1644). Su Xianzhong is one of them. Su made a Dehua white porcelain artwork called Paper. It used the amazing eggshell ……