中国首先发明火药。早在唐代，中国就发明了火药。到宋代已被大量运用到军事上。元、明之际，还利用喷气原理制造了“火箭”。火药从13世纪起传到国外。

Gunpowder was invented in China. Gunpowder， invented as early as in the Tang Dynasty （618-907 A.D.), was used militarily on a large scale in the Song Dynasty （960-1279 A.D.). In the period between the Yuan Dynasty (1271-1368 A.D.) and the Ming Dynasty (1368-1644 A.D.), “rockets” were invented with the use of the fundamentals of jet. Gunpowder was introduced to other countries in the 13th century.

他被流放到国外。

He was exiled to a distant land.

他下决心到国外求学。

Он решился поехать учиться за границу.

我上次信中谈到的那位老师到国外去了。

The teacher referred to in my last letter has gone abroad.

中国首先发明印刷术。公元6世纪下半叶到7世纪上半叶的隋、唐之际，中国就发明了雕版印刷，到9世纪，开始了大规模的雕版印书。北宋庆历年间，平民毕升发明用胶泥焙烧的活字，开始了活字印刷。约在8世纪中叶，印刷术传到国外。

Printing originated in China. In the period between the Sui Dynasty in the second half of the 6th century and the Tang Dynasty in the first half of the early 7th century, lithographic printing was invented and, in the 9th century, a large number of books began to be printed by the lithographic process. In the reign of Emperor Qingli of the Northern Song Dynasty (960 A.D.-1127 A.D.), a common fellow named Bi Sheng invented printing by movable type and started to use baked clay types for printing. The technology was introduced to other countries in about the mid-8th century.

之后他到国外去了。

Afterwards he went abroad.

她当上了空中小姐， 到国外旅行对她已失去吸引力。

Now that she’s an air hostess, foreign travel has lost its glamour for her.

到国外旅行允许携带的款额有所限制。

There are currency restrictions on the sums allowed for foreign travel.

许多人到国外时，都感受到文化震撼。

Many people suffered from cultural shock when they came abroad.

她幻想到国外过一个无忧无虑的假期。He daydreamed during his English class。

She daydreamed about a carefree holiday abroad.

抢劫犯逃到国外去了。

The robbers have flown (the country).

人们不得不收拾起仅有的一点财物逃到国外去。

The people had to gather up their few possessions and escaped abroad.

他还没有决定到国外去。

He hasn’t decided to go abroad.

要到国外读书， 你最起码要掌握那种语言。

To go abroad to study, you should at least master the language.

他将要到国外旅行。

He will travel abroad.

护照证明某人的身份和公民资格以及允许公民到国外旅行的正式官方文件

An official government document that certifies one’s identity and citizenship and permits a citizen to travel abroad.

有一次，工匠想到一个计划，把合成人通通运到国外，后来不知道怎么了，我们改用别的计划。

Как-то Техник придумал способ переправлять синтов за море. Но мы почему-то отказались от этого плана.