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Only by doing so can we maintain the vigor and vitality of our nation.

只有这样做，我们才能使的国家保持生机和活力。

youdao

We maintain 24-hour alert.

“我们二十四小时保持警觉”。

youdao

"I want to emphasize our commitment to the Nigerian market,". "This new flight is a key part of Delta's African expansion and ensures that we maintain our position as the number one US carrier to Nigeria and more broadly to Africa."

VOA: standard.2009.06.13

We've talked about one the main concepts in physiology being homeostasis, that is 'how do you maintain a constant internal environment?

我们讲到了生理学的主要概念,内稳态,即如何维持内环境的稳定

耶鲁公开课 - 生物医学工程探索课程节选

Let's hang on for a little while longer to a set of conditions where we will maintain constant entropy, namely constant entropy and pressure.

我们先继续考虑,保持熵不变的情况，即保持熵和压强不变。

麻省理工公开课 - 热力学与动力学课程节选

We have to do it wisely to ensure that we maintain our national security.

WHITEHOUSE: Press Briefing

Lower risk means higher equity prices, and we maintain our expectation of solid equity returns.

FORBES: Malpass Still Bullish on U.S. Economy

If we maintain above 1358-1362 for the first 60 minutes, I would not be stubborn.

FORBES: Futures, Foreign Markets Climb in Anticipation of Greek Debt Swap Deal