我的案头有一只五彩斑斓的南海贝壳，熠熠生辉。它常常勾起我对往事的回忆。九年前，他读初一。数学课上，他在课桌里放船，被老师发现，船被撕碎。办公室里，我伸出温暖的手，擦干他伤心的眼泪，语重心长地说：“如果你想把船儿驶向大海，领略大海的风光，你就必须好好学习， My desk has a colorful South China Sea shell, shining. It often reminds me of my memories. Nine years ago, he read the first one. In math class, he set sail in the desk and was discovered by the teacher. The boat was shredded. In the office, I extended my warm hand and wiped his sad tears. I said earnestly: "If you want to sail the boat to the sea and enjoy the scenery of the sea, you must study hard.