Before he starts he must put on two sets of protective clothing, four pairs of gloves and a helmet with breathing apparatus, all of which is taped up so that not a particle of skin is exposed.
在他工作之前，他要穿上两套防护服，四双手套，一个带有呼吸系统的安全帽，这所有的一切都是为了把自己规整的实在，确保没有一丁点的皮肤暴露在外。
Whatever form it takes, it must be a living, breathing entity that's easy to update and easy to reference.
无论是何种形式，都必须是一个充满活力的实体，能方便地进行更新和引用。
Divers must bring extra breathing gas when they'll have to struggle against a siphoning tide.
由于水流的虹吸现象，潜水员需要携带额外的氧气来对抗这种阻力。
A Weddell seal mother and pup with their breathing hole, which must be kept continuously open.
一只威德尔海豹(Weddell seal)母亲和她的幼崽待在透气孔边上，透气孔必须得始终保持通畅。
As in any new technique, circular breathing must be practiced on a daily basis for success.
正如许多其它新技巧一样，循环呼吸必须每天都进行练习。
Time to leave, she must also wear a portable ventilator to help breathing.
次离开，她也必须戴上一个便携式呼吸机帮助呼吸。
He must see that France also requires a respite-a breathing interval, to recruit her wasted strength.
他必定知道法国需要短暂的喘息以恢复元气。
He must see that France also requires a respite-a breathing interval, to recruit her wasted strength.
他必定知道法国需要短暂的喘息以恢复元气。
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