Safekeep
vt.<罕>保護,維護
??? 情景例句
He has been friendlier lately.
他近來更友好了。
We can offer a discount in progressive stages according to the size of the order.
根據訂購數量的大小，我們可提供累進的折扣。
What is needed in the case of noise is a study of large numbers of people living under noisy conditions,
對于噪音問題，需要對大量生活在噪音中的人進行研究，