打哈欠

It is not polite to yawn that way!

这是不礼貌打哈欠这样！

We all yawn in the morning as well.

我们也会在早上打哈欠。

If you look away from a person or yawn, they may think you are not interested in them.

如果你从对方身上把目光移开或是打哈欠，他会认为你对他不感兴趣。

He had to fight not to yawn again.

他必须对抗不要再一次打哈欠。

However, the girls you can not yawn!

但是，女孩你可别打哈欠！

If I'm sitting around yawning and thinking about sleep, I might as well be sleeping.

所以如果我坐着在那无所事事的打哈欠并且想睡觉，我就会去睡觉了。

I am ??I'm still yawning .

9，我还打哈欠呢

There are various theories that attempt to explain the cause and purpose of yawning.

已经有许多不同的理论，试着去解释打哈欠的原因和目的。

I've been yawning all day long.

我整天都在打哈欠。

Why do you keep yawning, did you not have good sleep last night?

你怎麼一直打哈欠，昨晚没睡好吗？

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。