preparing
v. 准备（prepare 的现在分词）
例句
He was already preparing his run for the presidency.
他已经在为总统竞选做准备。
《柯林斯英汉双解大词典》
The candidates are preparing to face off on TV tonight.
今夜候选人准备在电视上进行辩论。
《牛津词典》
The whole class is working hard preparing for the exams.
全班都在努力用功准备考试。
