1. Never jump blindly - use a spotter when necessary. Look Before You Leap! 不要盲目跳跃，有必要的时候使用观察者。跳前观察。
2. When splashes can be seen visually, the top spotter on the ship employs direct spotting in deflection. 当溅落点能用肉眼观察，则由舰上最高位的修正人员直接修正方向。
3. Is a "spotter" needed to go from high to low ground, or does vision granted from high ground solve this problem? 从高处往低处走的时候需要侦察单位么？或者说高地单位自己拥有的视野就可以解决问题?（好脑残~~）
英英解释
n.
1. a worker employed at a dry-cleaning establishment to remove spots
2. a worker employed to apply spots (as markers or identifiers)
3. a person employed to watch for something to happen
4. someone who is the first to observe something
