上映；演出；在进行；（灯）亮着；接受打赌
appear in a show, on T.V. or radio
同义词： get on
(法庭审案、案件等)安排，被审理，被提出：
(开始)投球：
... be born 出生 be on 在进行，在上演， （灯）亮着 be angry with sb. 生(某人)的气 ...
... close to 表示离...很近 close to me 离我很近 ☆be on 上演；(灯)亮着的 switch n.开关 ...
上映；演出；在进行；（灯）亮着；接受打赌
Don't worry, she'll be on time.
别担心，她会准时的。
I like to be on my own sometimes.
有时候我喜欢一个人待着。
All eyes will be on tomorrow's vote.
明天的投票将是众目所注。
But,to be on the safe side, he also places a smaller bet on the other team, to reduce a possible loss.
VOA : special.2010.01.31
So why don't you tell me what the formal charge should be on the sulfur atom of thionyl chloride?
那么请大家来告诉我亚硫酰氯中,的硫原子应该有多少形式电荷？
化学原理课程节选 : 麻省理工公开课
Everyone wants to be on top like with all of these high vendors, you know, very flashy names, pricey stuff,
每个人都想成为高级供应商的首选，华丽的品牌，昂贵的物品，
SpeakingMax英语口语达人 : 想开精品店
Thank goodness for Congress and the Admirals that think it's important because women are going to be on submarines."
VOA : special.2010.05.21
But she realized then that his mind would forever be on the march, always requiring something newer, better and more perfect.
VOA : special.2009.09.26
Libya's next qualifier will be on 25 March 2005, when they meet Egypt in Cairo.
We breathlessly await publication with a single question: Will Fabio be on the cover?
Some recent research suggests that, by thinking about death so often, the Bhutanese may be on to something.