开始倒数
Start counting down
以上为机器翻译结果，长、整句建议使用 人工翻译 。
时间已经开始倒数了。
Time already starts counting down.
youdao
另一组参与者在观看视频片段时必须从1000开始倒数，依次减9，这占据了他们有意识的工作记忆。
Another set of participants had to count backward from 1,000 by nines as they watched the clips, occupying their conscious working memory.
控制站的人员已经开始倒数秒数了。
The people at Control have already begun to count down.
应用推荐
模块上移
模块下移
不移动