There's a "No U-Turn" sign.

那里有一个“禁止掉头”的标志。

youdao

There's a "No U Turn" sign.

那里有一个禁止回转的标志。

youdao

It is like a one-way street with no U-turns.

就好比是一条禁止掉头的单行道。

youdao

But Prime Minister Hatoyama made clear Japan will no longer refuel ships involved in the U.S.-led war in Afghanistan.

VOA: standard.2009.11.13

All right, q has to be just the opposite of this because we've already figured out that there's no change in u.

好，q一定与它,相差一个符号，因为我们已经,指出U是不变的。

麻省理工公开课 - 热力学与动力学课程节选

U It's u, because u is to q plus w right, heat and work, but it's adiabatic. So there's no heat, exchange with the environment, and it's constant volume, so there's no p dV work, right.

什么是零？是U，因为,等于q加w，热量和功，但这是绝热的，所以系统与环境间没有热量交换；,同时它是灯体的，所以也没有pdV形式的功。

麻省理工公开课 - 热力学与动力学课程节选

The U.S. military said no U.S. or Iraqi troops were seriously hurt in the fighting.

CNN: Sadr City fighting rages for seventh day

There is no U.S. economic data due for release Monday due to the Columbus Day holiday.

FORBES: Comex Gold Trades Solidly Higher As U.S. Dollar Index Slumps, Crude Oil Rallies

No U.N. resolution, no Palestinian claimant, no American President had the right to say otherwise.

NEWYORKER: The Party Faithful