Sapstain
木材变色
🗣️ 情景例句
My son must have put you to a lot of trouble.
我儿子一定给你带来不少麻烦。
Many a flower is born to blush unseen.
有许多花儿生来就开著没有人欣赏。
There will only be standing room left for us next century!
到下个世纪我们就只有立足之地了。