Begrimer
vt. 以(塵垢、油漬、煙灰等)玷污, 覆蓋, 使積灰；弄臟；弄污：；玷污；敗壞：
??? 情景例句
She's moving up the ranks one step at a time.
他一步一步的向上爬。
This country is localed in the northern hemisphere.
這個國家位于北半球。
It has helped me to serve others.
這份禮物幫助我為他人服務(wù)。