Many people also don't use sunscreen properly—applying insufficient amounts, failing to reapply after a couple of hours and staying in the sun too long.

许多人也没有正确地使用防晒霜——涂抹的量不够，几个小时后没有重新涂抹，并且在阳光下待太长时间。

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"Let me give you probably one of the weakest links in that hydrological networks in Africa are totally insufficient,"

VOA: standard.2009.08.30

Galileo's only using, of course, his telescope in the first place because his human capacity for vision is insufficient to see the truths of the heavens.

他唯一一次用到望远镜,是因为仅凭人类的视力,并不能够看到天堂的真理所在。

耶鲁公开课 - 弥尔顿课程节选

But Pakistan's operations against the Pakistani Taliban, in the border area with Afghanistan, may have been insufficient in the eyes of US officials, analysts say.

VOA: standard.2010.05.18

Fearing a botched launch for Pentium 4 because of insufficient supplies of RDRAM, Intel has conceded in recent weeks that it will use other memory technologies like conventional SDRAM and possibly DDR as a memory option with Pentium 4.

FORBES: Rambus Patent Army Marches On

The Policing Large Scale Disorder: Lessons from the disturbances of August 2011 said insufficient numbers of officers were initially deployed and police public disorder training was inadequate.

BBC: Police 'need riot tactic rules', watchdog says

And inspections of the underperforming ones often find that they make insufficient use of whole-class teaching, phonics, or other traditional methods.

ECONOMIST: Plowden��s progress