The numbers are based on the famous ( if not exactly current ) seven-layer OSI model.

Which of the following are primary duties of the OSI transport layer?

哪一下列各项是OSI传送的主要责任层?

Level 1 corresponds to the OSI Layer 1 ( Physical Layer )

第1级对应于OSI第1层 ( 物理层 )

The Inspector opened the packet of cigarettes.

检查员撕开了那包香烟。

The radio only weighs a few ounces and is smaller than a cigarette packet.

这台收音机重量仅为几盎司，比香烟盒还小。

Someone was seen depositing a packet.

有人看见一个人放下了件小包裹。

It was a packet mix.

这是一小包混合配料。

There's a cigarette packet thrown into the gutter.

阴沟里有个香烟盒.

That car cost me a packet.

那辆小汽车花了我一大笔钱.

The hermetic seal on the packet means that the food lasts longer.

封袋上的密封印表明食物能保存更长的时间.

The government has clapped an extra ten pence on a packet of cigarettes.

政府对每包香烟加价10便士.

He caught a packet from me when he did turn up.

他一露面就被我狠狠训了一顿.

Follow the instructions on the packet carefully.

仔细按照包装上的说明操作。

Someone's making a packet out of it.

有人从中狠赚了一笔。

It'll cost you a packet.

那会花你一大笔钱。

They work long hours in order to take home a fat wage packet.

为了多赚点儿工资，他们加班加点地工作。

This port is within two days'sail of New York.

这个港口离纽约的航程不到两天.

There is a longstanding prostitution trade in the port.

这个港口的卖淫业由来已久.

A group of rebels overran the port area and most of the northern suburbs.

一群叛乱分子迅速占领了港口地区和大部分城北郊区。

It was so foggy that the steamship almost ran down a small boat leaving the port.

雾很大,汽艇差点把一只正在离港的小船撞沉.

The tugboat towed the damaged ship into port.

拖船把坏了的船拖进港口.