Spectralite
光學玻璃
??? 情景例句
Look, who's here, Peter!
看，這是誰，彼得！
When are visiting hours over?
探病的時間到幾點為止呢？
Alcohol may be a medical disinfectant, but should not be relied upon to sterilize water.
酒精可能是醫學上的消毒劑，但決不可用來消毒飲用水。