1、You must c(hew) your food well before you swallow it.
你吞下食物以前必须要好好咀嚼.
2、You must give your full a(ttention) to what you are doing.
你必须全神贯注地做你所做的事.
1、You must c(hew) your food well before you swallow it.
你吞下食物以前必须要好好咀嚼.
2、You must give your full a(ttention) to what you are doing.
你必须全神贯注地做你所做的事.