and 四级六级

His long illness and consequent absence put him far behind in his work.

他因病缺席很久，耽误了很多课程。

The furious lion roared and leaped at its prey.

愤怒的狮子咆哮着扑向猎物。

She bought apples, bananas, and oranges at the store.

她在商店买了苹果、香蕉和橙子。

The gymnasium buzzes with energetic students playing basketball and doing gymnastics.

体育馆非凡，活力四射的生们正打着篮球、练着体操。

The chemist carefully poured the acid into the flask, watching it fizz and bubble.

化家小心翼翼地将酸倒入烧瓶，看着它冒泡沸腾。

I woke up early and started my day with a jog.

我早早起床，以慢跑开始新的一天。

Laborers were trained to handle 50-ton compactors and giant cranes.

工人们接受操作五十吨压土机和巨型起重机的训练。

She has dark hair and a fresh complexion.

"她头发乌黑,气色很好。"

Standardization, parameter optimization and computerization are introduced in the engineering of open-pit bench Masting.

露天矿台阶爆破设的“三化”即规范化、参数优化和机辅助设化。

A computerized overall forging system's model including hammerer,air hammer and forging part was developed.

开发了人一空气锤-锻件人机系统模型仿真软件。

And the cost of computing is much less than senary triangular B-B patches.

这种方法在保证精度的情况下量较之六次B-B曲面片有较大的减少。

Cosecant Beam Generation Program for computing Phase distribution function and Radiation pattern.

(译)：余割波束生成程序的相分布函数和辐射模式。

This paper discusses cartographic visualization, including visualization in scientific computing and development of morden cartology.

从科可视化和现代地图的发展中，介绍了当今地图研究中的点问题--地图可视化。

Share joys and sorrows with your comrades,and support one another in adversity.

同甘共苦,患难相扶。

Oceana stole from her place of concealment, and relumed the taper.

欧雪爱娜从藏身之处悄悄出来，重新点燃了蜡烛。

Gear lubricants may congeal and channel in cold weather.

天气冷时齿轮润滑油可能凝结而形成凹槽。

To attach the formulation and samples with Production order and check consilient before adding.

备料配方及来样与生产单附在一起,加料前核对颜料及配方与生产单的一致。

I feel constrained to write and ask for your forgiveness.

我不得不写信请你原谅。

This article mainly researches on the causes and controlling of ultra-low carbon steel carburetion.

重点研究了鞍钢二炼钢厂超低碳钢增碳原因及控制措施。

A captain controls his ship and its crew.

船长管理他的船和船上的船员。