taxing

1. (任务或难题)费力的，费劲的，劳神的
A taxing task or problem is one that requires a lot of mental or physical effort.

e.g. They were comparing notes on each other's progress towards solving that most taxing of all puzzles: the riddle of the human genome...
他们就解决人类所面临的最大难题，即人类基因组之谜的进展情况交换了意见。
e.g. It's unlikely that you'll be asked to do anything too taxing.
不大可能叫你做什么太费劲的事儿。

1. 滑行：迷航的或不明的航空器(STRAYEDORUNIDENTIFIEDAIRCRAFT)迷航的航空器是指远离其计划航迹或报告它已迷航的航空滑行(TAXING)航空器凭借自身动力在机场场面上的活动.

2. 繁重的：taximeter 计程器 | taxing 繁重的 | taxiplane 出租飞机

3. 繁重的/费力的：taxines /紫杉碱/ | taxing /繁重的/费力的/ | taxiplane /出租飞机/