Pharosage
光通量密度, 照度
🗣️ 情景例句
Don't forget to breathe.
别忘了呼吸。
The interviewer is not supposed to ask.
面试人也不应该问这个问题。
but the fire fighters were eventually able to free him by cutting a huge hole in the wall.
消防队员在墙上挖了个大洞，才终于把他解救出来。