Some issues to overcome with catching forty winks include the ISS's constant humming noise – it's been compared to a constantly running vacuum cleaner.
OK, let's recap the vocabulary we've learned starting with the phrases catch forty winks, get some shut-eye, doze and take a nap, all of which mean to sleep.
让我们回顾一下我们过的词汇,从catch forty winks、get some shut-eye、doze和take a nap开始,这些词组都意味着睡。