Chromometry
比色法
🗣️ 情景例句
Can you tell me about how long it'll take to get to...?
你能告诉我到……有多远吗？
This problem is hard to solve.
要解决这个问题不简单。
Then he spoke slowly, but I could not understand him.
于是他说得慢了，可我还是听不懂。