Biophotometer
光度适应计
🗣️ 情景例句
Something old.
旧的东西。
Do you want to remit the money by air mail or by cable, sir?
您想要航空信还是电汇，先生？
Even men who can hardly drive a nail in straight are supposed to be born electricians, carpenters, plumbers and mechanics.
甚至那些连一枚钉子都钉不直的男人都被认为是天生的电工、木匠、水管工和机械师。