短语讲解：

1. There are an estimated 70,000 blind children in Indonesia, according to a recent study in the British Journal of Ophthalmology.

according to 根据，按照
例句：According to the normal,I should accept her invitation. 
按照常情，我应该接受她的邀请。 

2. The Pajajaran Special School is filled with extraordinary musicians.

fill with （使）充[挤]满; 使满怀（某种情感等）
例句：His mind began to fill with dreadful thoughts, 
他心里逐渐充满种种可怕的念头。