Heel block
[机] 心型固定门
🧩 词语组成解析
heel
[hi:l]
n. 脚后跟，踵;（鞋、袜等的后跟）;（四足动物的）后脚;踵状物;
vt.& vi. （使）倾斜;
vt. 给（鞋等）修理后跟;
block
[blɑk]
n. 块;街区;<英>大楼，大厦;障碍物，阻碍;
vt. 阻止;阻塞;限制;
🗣️ 情景例句
The college runs summer courses for Chinese learneers of English.
这所学院为学习英语的中国人开设了暑期班。
As a senior, Peter is writing his thesis.
作为大学四年级学生，彼得正在写毕业论文。
I told her that either I would have to buy a new mower or let the grass grow.
我告诉她，要么买一台新割草机，要么让草长下去。