辨析四个表示 “减轻” 的动词：relieve、alleviate、allay、mitigate

区分数学词汇：count, calculate, compute, reckon, work out Episode 220309 / 09 Mar 2022 Words for maths ...

辨析三个和 “忧郁” 有关的近义词：“melancholy”、“sombre” 和 ...

区分数学词汇：count, calculate, compute, reckon, work out Episode 220309 / 09 Mar 2022 Words for maths ...