保持

Always have high alert of safety first when you are in jungle.

当你在丛林时要注意安全第一，时刻保持高度警惕。

She was always on the alert for some new calamities .

她总是保持警觉以防某种新的灾难。。。。

Always stay alert and aware of your surroundings.

时刻保持警觉，注意你周围的环境。

It''s also an environment where everything is so informal that there is no pressure to need to always remain on alert to say the right thing at the right time.

it'的也是一个环境下，一切是如此的非正式不会有压力，需要始终保持对提高警觉，说正确的事在正确的时间。

JUST A WARNING TO ALWAYS BE ALERT AND USE

保持警觉性并常用你的脑袋！

However these are uncertain times and we need to stay fit and alert as well as always flexible to change.

不过由于我们正身处一个非常不确定的时期，需要时刻保持警惕和高效，随时灵活地应对变化。

However, no matter how long you've been riding, you need to be aware of what's going on around you and you should always stay alert.

不过，不管如何，只要您一直骑，你要知道怎么回事就靠近你，你要始终保持警觉。

You should always be on alert when you baby sit.

你照看小孩时应该一直保持警觉。

It is important to remain alert and cautious.

重要的是要保持警觉和谨慎。

But it is important to stay alert

但保持警惕是重要的。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。