Zerolite
(低温膨胀的)聚苯乙烯管状绝缘体
🗣️ 情景例句
Please sit down.
请坐下。
Who is the greatest novelist of our times?
谁是当代最伟大的小说家？
The baby was about ten months old. At first she was asleep.
那小孩大约10个月大。最初，她是睡着的。