Umpiring
vt. 为…做裁判（umpire的现在分词形式）
🗣️ 情景例句
Don't let us keep you from your math tutoring, Robbie.
别让我们妨碍你的数学家教， Robbie。
Poli-sci major
专攻政治社会学
When the fire had at last been put out, the forest authorities ordered several tons of a special type of grass-seed which would grow quickly.
在大火最后被扑灭后，森林管理当局订购了好几吨一种生长迅速的特殊类型的草籽。