钢笔

I gave Tom my watch in exchange for his fountain pen.

我把我的表给汤姆来交换他的钢笔。

Especially as I used a fountain pen at school.

特别是我用钢笔在学校。

I've found my silver fountain pen!

找到我的银质钢笔了！

But the reason to buy and use a fountain pen is more psychological than practical.

不过，购买和使用一支钢笔的理由更多是心理上的而不是实践上的。

They have the fountain pen and the pencil?

他们有钢笔和铅笔吗？

I lost my fountain pen.

我的钢笔遗失了。

It was mother's birthday today. I bought her a fountain pen for 10 yuan. She was very happy and smiled.

今天是妈妈的生日，我花了10元钱买了一支钢笔给她，她很高兴，笑了。

My fountain pen is a black.

我的钢笔是黑色。

He has bought a fountain pen, when buys?

他买了一只钢笔，什么时候买的？

He lost his empire, his family and his fountain pen.

他失出了帝国，失出了家庭，失出了钢笔。

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。