extensions
基本解释
- n.伸展；扩大；延长部分；电话分机
- 名词extension的复数形式.
同根派生
英汉例句
- Your back exercises should include lat pull-downs and back extensions.
背部的练习应包括前曲和后背伸展。 - For your biceps and triceps, perform bicep curls, hammer curls, dips, and tricep extensions.
锻炼二头肌和三头肌，练习二头肌弯曲，锤卷曲，下弯和三头肌伸展。 - These temporary hive extensions contain frames of empty comb for the bees to fill with honey.
这些临时的蜂箱扩大了能包含为蜜蜂准备的空巢结构去存蜜。 - There are telephone extensions in every office.
每间办公室都有电话分机。