open wide，unlimited，unrestricted ；

[例句] 这个论坛目前向所有企业家新秀敞开大门。 The forum is now open to all budding entrepreneurs.

[例句] 他穿了件蓝衬衫，领口敞开着。 He wore a blue shirt open at the neck.

roadster，convertible，cabriolet；

[例句] 他开了辆敞篷车，载我和我的朋友辛西娅去看电影。 He took me and my friend Cynthia to the movies in an open-topped car.

[例句] 你可以以100美元一天的价格租一辆敞篷车. You can hire a small convertible for $ 100 a day.

[法] open ；

[例句] 他听到敞开的门口外的汽车引擎运转正常。 He heard the car engine running sweetly beyond the open door.

[例句] 乐曲断断续续地从敞开的窗户中飘出,在夜空中回荡. Through the open windows snatches of melody float on the night air.

open ；

[例句] 汽油太轻易挥发,不能存放在敞口的容器里. Gasoline is too volatile to be kept in an open vessel.

[例句] 敞口的箱子里放的都是他的书. Inside the open chest are all his books.

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