细丝纱
Johnson had never been up in an aerophane before and he had read a lot about air accidents, so>His friend started the engine and began to taxi>Mr. 所以，有一天一位朋友邀请他乘自己的小飞机飞行时，约翰逊先生非常担心，不敢接受。不过，由于朋友不断保证说飞行是很安全的，约翰逊先生终于被说服了，登上了飞机。
