查询词典 at hand

He said he learnt it at first hand from one of his friends.

他说他是直接从他的一位朋友那听说这事的。

I GOT THE NEWS FROM HER AT FIRST HAND.

我是直接从她那里得到这个消息的。

I know about California at first hand – I lived there for several years .

我是直接了解加利福尼亚的，我在那里住了好几年。

I got the information at first hand from the person who decided to make it public.

我这消息是从决定将此公开的人那里直接得到的。

President Bush says he wants to get a first hand look at the damage.

布什总统说，他要亲自去看看当地受灾的情况。

I found out my grades on the internet at first hand .

我从网络上直接得知我的成绩。

Many people have seen the horrors of war at first hand.

许多人都亲眼看到战争的恐怖。

I held my father's hand at first and we danced together.

开始时，我抓着爸爸的手，一起跳舞。

I had seen something of this imbroglio at first hand.

我曾经亲眼看到过这种乱七八糟的东西。

He said she got the news from the mayor at first hand.

他说她是直接从市长本人那里得到这个信息的。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。