"enter a race"
"enter an agreement"
"enter a drug treatment program"
"enter negotiations"
They participate in the profits.
他们分享利润。
Many more firms are participating in the growth of demand on the world markets.
更多的公司分担了世界市场需求的增长。
I like the whole school to participate in the sports.
我喜欢全校师生都参加运动。
Many units participated in the cooperation to design and build this huge vessel.
许多单位协作设计和建造了这艘巨轮。
Many countries participated in the war.
许多国家参加了那次战争。
How many countries will be participating in the Olympic Games?
有多少国家要参加奥林匹克运动会?
They invited the world to participate in an international fair.
他们邀请世界各国参加国际博览会。
No professionals may participate in the amateur tennis tournament.
任何职业选手均不得参加业余网球锦标赛。
It's good to see our runners participating with the best competitors from other countries.
看到我们的田径运动员与其他国家最优秀的运动员比赛真令人愉快。
You may well participate with us in our gains.
你们完全可以跟我们共享利益。
She participated with him in the sufferings.
她与他同患难。