absence n. 1.不在,缺席,缺勤 (opp. presence)。 2.缺乏,缺少,无。 3.心不在焉,不注意。 absencefrom (school, office) 缺(课),缺(席),缺(工),缺(勤),不在。 absence in (London) 暂离某地而在(伦敦)。 absence of mind 心不在焉,心神不定。 absence of reason 发狂。 in sb.'s absence 当某人不在时,背地里。 in the absence of 无…时,缺少…时。 leave of absence 请假,准假。 absence without leave 擅离职守。
Photo caption : two students of the hku expedition team performed abseiling from the top of knowles building in the pledge ceremony today 图片说明:港大攀山队其中两位成员于誓师大会中由钮鲁诗楼顶层游绳而下。
Where possible one rappel station should service the tops of all climbs in the immediate area that can safely access the rappel / abseil point 一个可能的下降固定点位置,应能在一安全可及的适当范围内为多条路线所共用。
10 when a fixed wire / sling / rope / cord is an essential point of protection then it should be removed and replaced with fixed hanger / ringbolt / rappel / abseil anchors 当构成支点的主要元件为铁线/扁带/绳索/细绳时,最好将之移除,并用固定耳片/环形锚栓/下降固定点加以取代。
4 rappel / abseil stations should be installed where a tree is used for the anchor or where other features used may be unsafe ( e . g . old fixed sling or unsafe natural " bollard " ) 4下降站的设置处,应在只能借树木或不可靠的物体(如老旧的固定扁带或不安全的天然柱体)设固定点的地方。
Is a company specializing in professional adventure training programmes . the programmes we designed are all - round and comprise both outdoor and indoor activities : outdoor activities include hiking , canoeing , rock - climbing , abseiling and rope course while indoor programmes focus on experiential learning , enlightening and sharing activities 我们所设计之课程,会同时利用户外及室内环境而进行,作为全方位培训课程;例如:行山、独木舟、攀岩、游绳下降、绳网、启导游戏等等,使参加者接受不同程度的挑战后,通过导师悉心引令下得到启发,从而对个人成长和发展有著莫大的帮助。
(mountaineering) a descent of a vertical cliff or wall made by using a doubled rope that is fixed to a higher point and wrapped around the body 同义词:rappel,
lower oneself with a rope coiled around the body from a mountainside; "The ascent was easy--roping down the mountain would be much more difficult and dangerous"; "You have to learn how to abseil when you want to do technical climbing" 同义词:rappel, rope down,