Glucosinolate
葡糖异硫氰酸盐
🗣️ 情景例句
When was your last day off?
上次休假是在什么时候？
It's a pain in the neck.
这真是苦不堪言。
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。