Nervous politicians might well feel more comfortable with a step-by-step approach.神经脆弱的政治家们似乎更容易接受一种循序渐进的做法。Whirr, click, whirr, click — step by step the scan probed deeper.嗡嗡，咔嗒，嗡嗡，咔嗒——扫描探查一步步地深入。I am not rushing things...

step by step的音标：step by step的英式发音音标为：[step bai step]step by step的美式发音音标为：[stɛp baɪ stɛp]...

一步步地，逐步地，逐渐地，缓缓，浸...