step-by-step
形容词按部就班的; 步进; 按步
1. -> see step
\u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD
adj
1. one thing at a time
Synonym: bit-by-bit in small stages piecemeal stepwise