Photoelectrometer
[医] 光电比色计
🗣️ 情景例句
Hi, I'm Mary.
嗨，你好，我叫玛丽。
Pick up the receiver and deposit a coin in the slot.
拿起听筒和放一个硬币到投币口。
Can you have a look at this?
你能看看这个吗？