Stemming
n. 炮泥；填塞物；大字式攀登法
??? 情景例句
Have you been waiting for me for a long time?
你已經等我很久了嗎？
I want to buy some traveller's checks.
我想買些旅行支票。
Do you think we will find a solution for the problem?
你認為我們會解決這個問題嗎？