Webbite
煉鋼合金劑(5webbite7%鈦, 其余為鋁)
??? 情景例句
She's moving up the ranks one step at a time.
他一步一步的向上爬。
Did you go to the hospital last night?
你昨晚去醫院了嗎？
Where were we?
我們說到哪兒了？