Ulmin
[化]棕腐质, 赤榆树脂
🔁 扩展释义
【医】 赤榆树脂
🗣️ 情景例句
She is a terrible student.
她是一个极糟的学生。
Walls (or Pitchers) have ears.
隔墙有耳。
But we do not need to send men down to get the oil out, as we must with other mineral deposits.
但是，我们不必像开采其他矿藏那样，把人送到地下去把石油取出。