pure viscosity

The cast must all be on set by 7 in the morning.

全体演员必须在早上7点钟到场。

I like to be on my own sometimes.

有时候我喜欢一个人待着。

By sunrise tomorrow we'll be on our way.

明天天亮前我们就将赶路。

I will be on leave during the week commencing 15 February.

我将从2月15日开始一周的休假。

I want to work, I don't want to be on welfare.

我想去工作，不想吃救济。

to be on point duty

在指挥交通

to be on sentry duty

放哨

The public should be on the lookout for symptoms of the disease.

公众应当留心这种疾病的症状。

Her parents are rumoured to be on the verge of splitting up.

据说她的父母快要离婚了。

In today's lecture the focus will be on tax structures within the European Union.

今天讲课的重点是欧洲联盟内部的税制结构。

No one likes to be on the losing side.

没人喜欢输。

We were glad to be on dry land again.

再一次踏上陆地我们很高兴。

to be on night duty

值夜班

Camden Market is the place to be on a Saturday or Sunday.

卡姆登市场是周末的最佳去处。

The latest models will be on display at the motor show.

最新的车型将会在这次汽车展上展出。

The gaslights in the passage would be on, turned low.

走廊里的煤气灯应该是开着的，调得比较暗。

The latest computers will be on show at the exhibition.

最新型的计算机将在展览会上展出。

Environmentalists will be on the watch for damage to wildlife.

环境保护主义者将会密切关注对野生动物造成的伤害。

Chinese will be on the school schedule from next year.

从明年开始中文将排进学校的课程表。

Aren't you supposed to be on sentry duty?

你不是应该在站岗吗？

The latest software will be on parade at the exhibition.

最新电脑软件将在展览会上展出。

It was a great relief to be back on dry land after such a rough crossing.

渡过汹涌澎湃的大海回到陆地后使人长舒一口气。

All eyes will be on tomorrow's vote.

所有目光都将聚集在明天的投票上。

I'm meant to be on holiday.

我原本打算去度假的。

Work on the office building will be complete at the end of the year.

办公大楼工程将于年底竣工。

Don't worry, she'll be on time.

别急，她会准时到的。

His funeral will be on Thursday at Blackburn Cathedral.

他的葬礼将于星期四在布莱克本大教堂举行。

No offence, but I'd really like to be on my own.

我无意冒犯，但我确实想自己一个人。

The blocks should be laid on a bed of concrete.

石块应该固定在混凝土基座上。

to be on a winning/losing streak

赶上顺的 / 背的时候