🧩 词语组成解析
leg
[lɛɡ]
n. 腿;支柱，支架;裤腿;一段赛程;
vi. <口>走，跑;
exercise
['ɛksɚsaɪz]
n. 练习;运动，训练;运用;典礼;
vi. 锻炼，训练，练习;
vt. 锻炼（身体某部位）;使焦虑，使忧虑;实行，发挥（作用）;运用;
ex出+erc力量+ise表名词，物品，状态 →练习，锻炼
🗣️ 情景例句
This Friday.
这个星期五。
What time does the train for Boston leaves?
去波士顿的火车几点开？
The village which had seemed deserted, immediately came to life.Faces appeared at windows.
刚才还似乎空荡荡的村庄一下子活跃了起来，窗口露出了一张张面孔，