Commaterial
同物质, 同一种材料
🗣️ 情景例句
How did you get on in your exam?
你考得怎样？
He is up to his ears in debt.
他债台高筑。
It's always warm in April and May,but it rains sometimes.
4月和5月的天气总暖洋洋的，但有时下雨。