focal point

同义
focal point focus
词性
n
解释
a point of convergence of light (or other radiation) or a point from which it diverges
示例
None

同义
nidus focal point focus
词性
n
解释
a central point or locus of an infection in an organism
示例
the focus of infection

同义
focal point focus focusing focussing direction centering
词性
n
解释
the concentration of attention or energy on something
示例
the focus of activity shifted to molecular biology|he had no direction in his life