正忙于

Currently, we are involved a major upgrade to the air traffic control system, the Advanced Automation System.

目前，我们正忙于给空中管制系统做升级，也就是先进自动化系统。

Be busy doing/with sth.

那时候我正忙于清洗我的车子。

Be busy doing/with sth e.g: I was busy washing my car at that time.

那时候我正忙于清洗我的车子。

Be busy with sth She is busy with her homework.

她正忙于她的家庭作业。

Be busy with I am busy with my homework.

7我正忙于我的功课。

Be busy with I'm busying with my homework.

7我正忙于我的功课。

You may be busy flitting here and there but don't be oblivious to someone who is watching every move you make.

你可能正忙于到处留连，但别忘了有人正注视着你的一举一动；敞开心扉，爱情可能会在最奇怪的环境下发生。

There was no response forthcoming to the suggestion however, such as it was, Stephen's mind's eye being too busily engaged in repicturing his family hearth the last time he saw it with his sister Dilly sitting by the ingle, her hair hanging down, waiting for some weak Trinidad shell cocoa that was in the sootcoated kettle to be done so that she and he could drink it with the oatmealwater for milk after the Friday herrings they had eaten at two a penny with an egg apiece for Maggy, Boody and Katey, the cat meanwhile under the mangle devouring a mess of eggshells and charred fish heads and bones on a square of brown paper, in accordance with the third precept of the church to fast and abstain on the days commanded, it being quarter tense or if not, ember days or something like that.

33然而，他这建议并没有得到回应。这是由于斯蒂芬正忙于在心目中重温他最后一次与家人团聚的景象。披长发的迪丽坐在炉边等候着巴满煤烟的壶里那稀薄的特立尼达可可豆煮沸，好和代替牛奶的燕麦水一道喝。那是星期五，他们刚吃完一便士两条的鲱鱼，另外让玛吉、布律和凯蒂每人都各吃了一个鸡蛋。那天正赶上四季大斋或是什么日子，根据教会在指定的日子守斋并节制的第三戒律，猫儿也正在轧液机底下吞食着一方块褐色纸上的那簇蛋壳和鱼头鱼骨。

When Fiat Punto is getting old, Ford Fiesta is waiting for a new body, Renault Clio II is aiming to cut cost, Ford Ka is lacking of a good engine, MCC Smart is understeering.....

这时侯 菲亚特 Punto 已经老了，福特 Fiesta 正在等待一个新的车身，雷诺 Clio 正忙于如何降低成本，福特 Ka 正缺乏一个好的发动机，MCC Smart 的驾驶性能不好。。。。。。

Rescuers waded waist-deep through the mire, and heavy machinery also worked to remove the mud.

许多营救人员正艰难的在齐腰深的积水之中紧张工作，大型的机械也正忙于挖掘沉积的泥土。

This paper discusses design and realizable methods of remote test output interface from logical design angle.

本文从逻辑设计的角度讨论遥测输出接口的设计及实现方法。

This also 星体投射plies to buildings, structures and geological features.

这也适用于建筑物和地质特征。