Pharosage
光通量密度, 照度
🗣️ 情景例句
Is that tall or average or what?
这样尺寸是高呢， 还是普通， 或者算怎样？
Who undertakes many things at once, seldom does anything well.
许多事情同时干，一件事也办不成。
Yes, it is.
是的。