用法:
1 very good eyesight 极好的视力.

用法:
2 keen watchfulness 敏锐的目光:
The teacher's eagle eye was always on us, ie She noticed everything. 教师的锐利目光总是盯著我们（一举一动她都能注意到）.

• hourly
• house 1
• house-agent
• house arrest
• houseboat
• house-bound
• housebreaker
• housebreaking
• housecoat
• housecraft
• house-dog
• house-father
• house-fly
• houseful
• household
• householder
• household troops
• housekeeper
• housekeeping
• house lights
• housemaid
• houseman
• house-martin
• housemaster
• house-mother