astronaut ָ�����ռ�(outer space)��ʻ����ɴ�������ɻ��ȷ���װ�õ��Ա�� pilot ָ���������ռ�ĸ���ɻ��ļ�ʻԱ��
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1. It's hard to pilot a boat in rough waters. ����ӿ�ĺ����ʻ��ֻ�����ס�
2. One of my friends is a pilot. �ҵ����ѵ�����һ���Ƿ���Ա��
3. How I want to be a pilot! �Ҷ�ô�뵱һ���ɻ���ʻԱ����
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n.
1. someone who is licensed to operate an aircraft in flight
2. a person qualified to guide ships through difficult waters going into or out of a harbor
3. a program exemplifying a contemplated series; intended to attract sponsors
4. an original model on which something is patterned
5. small auxiliary gas burner that provides a flame to ignite a larger gas burner
6. an inclined metal frame at the front of a locomotive to clear the track v.
1. fly a plane
2. act as the navigator in a car, plane, or vessel and plan, direct, plot the path and position of the