Oestrogen helps to keep open the main artery carrying oxygen-rich blood to the foetus. 雌激素帮助大动脉保持张开状态,将含氧富足的血液运向胎儿。
And we have taken other significant initiatives which must remain secret to keep open some channels of communications which may still prove to be productive. 我们已经获得了其他重大的主动权,这必须要保守秘密来继续不断的开辟我们可能还考验生产性的信息渠道。
The museum relies on voluntary donations to keep open. 博物馆依赖自愿捐助来维持开放。
Hence, also, a willingness by America and others to keep open the option of military strikes. 也正因为如此,美国和其它国家始终不排除军事袭击的可能性。
If you want to keep open your opportunities of moving up the company, then you should not complain too much. 如果你想要在公司有晋升的机会,就不要老抱怨。见第977句。