I shall explain the rule to the students.

The rule still stands.

本规则依然有效.

Hypovitaminosis A causes hydrocephalus by altering CSF resorption at the arachnoid granulations .

维他命A不足也会造成蜘蛛膜对脑脊液出现吸收障碍。

Report of Diagnosis and Treatment on Conjunctivitis and Kramtitis of Milk Cow to be caused Hypovitaminosis A

维生素A缺乏引起奶牛结膜炎和角膜炎综合症的诊治

The heavy rain turned the pedestrians in Nanjing Road into a chicken run.

这场暴雨使南京路的行人变成了落汤鸡.

The chicken run started before Massachusetts.

溃逃在麻省前就开始了.

Q : Why did the chicken run onto the football field?

为什么鸡会在球场上跑?

The deposit avouchment can't be applied to loan contract.

在双方当事人均不履行合同时，不能适用定金罚则；

The deposit avouchment can't be applied to loan contract.

存款凭证不能应用于贷款合同。

You'd better whip up some keenness if you are to win the game.

你若是想赢得这场比赛,最好提高一些敏捷度.

Very fast with a marked keenness for hunting, both by sight and scent.

警惕而活跃,非常忠实而敏锐的猎犬, 视觉和嗅觉都很好.

I admired the keenness of his mind.

我羡慕他头脑的敏锐.

These adjectives mean having or showing mental keenness.

这些形容词都表达具有或显示出思维的快捷性.

His keenness for sport soon yielded place to an interest in music.

他对体育运动的爱好很快地被音乐的兴趣所取代了.

His headache had departed; his every sense seemed to have gained keenness.

他头不疼了, 于是他的每个感官又恢复了敏锐.

John's keenness for sport soon yielded place to an interest in music.

约翰对体育的迷恋很快就被对音乐的兴趣所取代了.

A few weeks'hard work should damp dawn his keenness.

几星期的繁重劳动能抑制他的热情.

You seek out environments that are enjoyable and interesting.

你总是能找到那些有趣、欢乐的环境.

Hamilton does not seek out attention, but prefers the quiet life.

73汉密尔顿却并不愿意招摇, 而更喜欢过平静的生活.

We need to seek out tough and talented competition.

我们必须寻找艰难而考验智慧的挑战.

More people in more places seek out news more often than ever.

在世界上更多的地方,更多的人们渴望获得新闻,他们的热情空前高涨.