天时的英文：
climate; timeliness; weather

参考例句：

"In the spring, Jen is always free from illness."
"春天时,珍通常不生病。"

I thought I was going to drop dead that third day.
第三天时，我认为我快要死了。

He's a funny chap, especially when chatting with girls.
他是个嬉皮笑脸的家伙，尤其和女孩聊天时更是如此。

With only one day off in a week working people had Barely enough time to arrange the household.
一周休息一天时，上班族只能有时间勉强安排家务。

In winter, when the profusion color big cosmos appear, it means that winter is coming!
冬天时万紫千红的大波斯菊出现时就表示冬天要来罗！

I'm close to five pounds lighter (heavier) than I was last winter.
我比去年冬天时要减轻(加重)将近五磅。

On Sundays, many Americans sleep late and go out for brunch.
礼拜天时，许多美国人睡到很晚，于是就外出去吃早午餐。

As we sat round chatting, I began to think I'd made a mistake.
当我们坐在那里聊天时，我开始认为自己犯了一个错误。

Emission control systems take longer to warm up and become fully operational in cold weather.
冷天时，排放控制系统需要花费较长时间预热，才能全效工作。

climate是什么意思：
n. 气候；气候区；思潮；风气；气氛

The climate here is rigorous.
这里的天气很严酷。

The dampness of the climate decayed the books.
气候潮湿，把书都霉坏了。

These plants will not seed in a cold climate.
这些植物在寒冷气候里不会结子。

timeliness是什么意思：
n. 合时;适时;刚巧

timeliness is important as it defines the response-time criterion in advance of the system's implementation.
及时性很重要，因为它规定了先于系统运行作出反应的时间标准。

Creditors use financial statement analysis to know the safety of principal and the timeliness of interest.
债权人将利用财务报表分析来了解本金的安全性和利息的及时性。

Building the fiscal cadastre is a field exercise that requires tight quality control. Much attention must be given to timeliness and accuracy.
建立财产地籍簿是一次很好的质量控制实习。需要注意时宜性和准确性。

weather是什么意思：
n.天气，气象；气候
v. （使）风化；（受）侵蚀；挨过

Weather a crisis.
平安渡过危机

It depends on the weather.
这取决于天气。

The cold weather froze the lake.
寒冷的天气把湖冻住了。