The family at the time consisted of 30 members那时这个家庭有三十名成员

consist of由 ... 组成

The downstairs consisted of three large rooms.

楼下有三个大房间。

The apartment consisted of two rooms and a kitchen.

那套房间包括两间住房和一间厨房。

The first genetic study was able to locate the general area of the abnormality.第一次遗传分析确定了这一异常的大概区域

able to能做 ...

You are better able to do it than I (am).

你比我更有能力做这件事。

I am able to pick you up on the short wave radio.

我能用短波收音机收听到你的信号。