Five ambulances are on standby at the port.

五辆救护车在那个港口待命。

《柯林斯英汉双解大词典》

The emergency services were put on standby after a bomb warning.

接到炸弹警报后，各紧急救助部门进入待命状态。

《牛津词典》

Several trucks were rented (租用), with four trucks carrying two giant pandas each, while one truck carried enough bamboo and bamboo shoots for five days, and another empty truck was kept on standby.

几辆卡车被租用了，其中有四辆卡车分别载着两只大熊猫，一辆卡车载着足够五天食用的竹子和竹笋，而另一辆空卡车则一直在待命。

youdao

'We're going to have to look at the car." "I have Toyota on standby to help us with our investigation, and we definitely want to get to the bottom of it."

VOA: standard.2010.03.04

Sadaane had five reserve players on standby, but none is required to make the trip.

BBC: World Cup 2010: Sadaane confirms Algerian squad

Texas Gov. Rick Perry put 7, 500 National Guard members on standby Tuesday, his office said.

CNN: Nervous Texas braces for Ike

The clean-up is continuing and Gwynedd council has put its gritting team on standby.

BBC: Wales weather: Flood risk as more rain moves in