1. 看货会：Sightholder 钻石客户 | Sights 看货会 | Sophisticated machine 先进机器

2. 视野;风景：glasses眼镜 | sights视野;风景 | crystals水晶,晶体

3. 风景：sightly /看着舒服的/悦目的/眼界好的/ | sights /风景/ | sightsee /观光/

noun

1. an optical instrument for aiding the eye in aiming, as on a firearm or surveying instrument