Hydrophotometer
水下光度計
??? 情景例句
He watches the CCTV news at 7:00 P.M. everyday.
他每晚 7 點都收看“中央電視臺”的新聞聯播。
Don't forget to buy it for him.
不要忘記買給他。
Not far. My house is about twenty minutes by bike.
離的不遠，騎自行車大約20分鐘的路程。