室外的英文：
off the premises

参考例句：

In the open air, we held a memorial meeting.
我们在室外举行了追悼会。

The 29 rooms offer outdoor showers, open-air lounging pavilions, and serene koi ponds.
29个房间提供有室外的淋浴、开放式的栖息亭、以及清澈的锦鲤池塘。

An open,often paved area adjacent to a house serving as an outdoor living space;a patio.
内院，庭院紧邻房间的一块开阔、通常铺过的区域，作为室外活动场所;庭院

Right now, he and five additional mother cheetahs live indoors and outdoors in the big courtyard.
现在，它和另五只母豹生活在分室内室外两部分的一处大院里。

Outdoor labor
室外劳动

An outdoor oven or fireplace.
室外炉一种室外炉灶或火炉

Not a soul was abroad that morning.
那天早晨室外空无一人。

fitting for outdoor fluorescent or incandescent lighting
室外荧光灯或白炽灯附件

parameter for external temperature and humidity
室外热湿参数

The nurses keep children out of doors as much as possible.
保育员尽量让孩子在室外活动。

off是什么意思：
adv. 掉，下；离开；隔开；切断；停止；；休息；光，完，尽；全部地
prep. 从...离开；从...向下；在...的外面；偏离...；从...分岔；不再从事...；低于...
adj. 关着的；停止流通的；延期的；取消的；不工作的；处于...境况的；萧条的
v.（用于祈使句）走开，滚开；站开
n. 关掉

Is the water on or off?
自来水龙头开着还是关着？

The gilt is off.
幻想破灭了。

to nip off; to cut off; to break
掐断

take off clearance = clearance for take off
起飞许可

They panned off the sand and dirt.
他们用淘金盘淘去砂泥。

premises是什么意思：
n. [premise] 的复数形式；房宅，生产场所

There is a kitchen on the premises.
该处有一个厨房。

This book has a simple premise:
本书有一个简单的前提：

The premises are wheelchair accessible.
该场所轮椅可以自由出入。

You neglected the minor premise in a syllogism
你忽视了三段论中的小前提。

You must vacate the premises in three days.
你 (们) 必须在三天内搬走。