🧩 词语组成解析
[医] 脑白质
🗣️ 情景例句
I generally go to bed at ten.
我通常十点钟睡觉。
The accident held the train up for an hour.
那事故使火车延误了一个小时。
As there are so many people about, the dogs have to be kept in a special enclosure.
由于来人太多，狗被关在专门的围栏里。