Phytomelane
植物黑素
🗣️ 情景例句
Not much.
马马虎虎吧。
Your unit price seems fair enough, but we're hoping for a higher discount rate.
单价似乎合理，但我们希望给予更高的折扣率。
Wu dropped his stick! He stopped to get it and of course fell behind.
吴的接力棒掉地了！他停下捡棒，当然就落后了。