Pharosage
光通量密度, 照度
🗣️ 情景例句
Some people are afraid of flying, which limits their options when traveling.
一些人十分害怕坐飞机，这也就限制了他们旅行时的选择了。
I think we may be able to work together in the future.
我想也许将来我们可以合作。
Hi, Kate.Next Sunday is my birthday. Can you come to my birthday party?
你好，凯特。星期天是我的生日。你能来参加我的生日聚会吗？