词汇	single place airplane
释义	single place airplane 🌏单座飞机
随便看	optically detected ESR optically detected magnetic resonance optically driven Optically driven rotation optically effective atmosphere optically empty optically-excitated laser optically excited optically excited laser optically-excited laser optically excited metastable level optically finished surface optically flat filter optically flat glass optically-flat glass opticallyflat glasses optically flat reflector optically flat surface optically flat wafer optically flat window optically focused beam optically-focused beam optically focused solar beam optically functional materials optically graduated circle