Substrand
支原丝(分股集束原丝中之一束)
🗣️ 情景例句
Did she mention when she would arrive?
她说过什么时候到吗？
I ate vegetable soup for lunch yesterday.
我昨天晚饭吃的是蔬菜汤。
Do you have any writing paper?
您有信纸吗？