units造句
The call-up of National Guard and reserve
units begun in late August.
国民警卫队和预备役的征兵工作8月下旬开始。
A centimeter can be infinitely divided into smaller
units.
一厘米可以无穷尽地分成更小的单位。
These front-line defences are backed up by armoured
units in reserve.
前线的防务得到后备装甲部队的支援。