make ….done
Sending tanks to Ukraine would make these Nato allies too involved in the war.
brigade旅mechanize使机械化
The crew are from one of the mechanized brigades.
ammunition弹药，不可数run low不足vi
The only problem we have is that our ammunition is running low.
elate vt使..兴奋（极度开心）
He was elated when he got the offer from the university he had hoped to go to.
master 可作名词 能手 ，可数（表示做某事的能手，后跟介词at）
Ukrainians are masters at using Soviet-era tanks.
Armor:可作military vehicles collectively，既可用作单数，又可以用作复数
Russia is pouring more armor into this battlefield.
alteration改建；改变可数
Alterations in land use in this region will create more sources of dust.
first-of-its-kind 先驱性的
China is going to experiment with a first-of-its-kind exploration of the cosmos.
afield adv在远处；向远处
The data we get from the equipment can help predict dust storms in this region and further afield.
chase和chase after都可表示追逐（chase可以作vt也可作vi）
The dog chasing after squirrels is very cute.
A lot of people chase happiness by wishing instead of doing.
