Phytomelane
植物黑素
??? 情景例句
The evening newspaper is cheaper than the morning paper.
晚報比早報要便宜。
He should have a long spoon that sups with the devil.
跟壞人打交道，要特別小心。
Young people love this time of year, because it is good for sports.
年輕人喜愛這個時節(jié)，因為它適合體育運動。