Diffractometers
(diffractometer 的复数) n. [光] 衍射计
🗣️ 情景例句
Hello, Harry. It's nice to meet you.
你好 Harry 很高兴见到 。
It's not your fault.
不是你的错。
Not realizing who she was, the assistant was eager to serve her this time.
那个售货员没有认出她是谁，这一回接待她的态度非常殷勤。