D-c block
[电] 直流闭塞
🧩 词语组成解析
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
but our schedules are so different.
但我们的工作时间实在差太多了。
What do you going to wear today?
你今天穿什么衣服？
After you printed the book, you had to throw away the carved pieces of wood.
你把书印出后，不得不把刻过的一片片木板扔掉。