Fixation of potassium(in soil)
[化] 鉀素固定作用(在土壤中)
?? 詞語組成解析
fixation
[[fik'sei??n]]
n. 定置, 固定, 定色\\n[醫] 固定; 固定法, 固定術; 定影
of
[?v]
prep. 關于;屬于…的;由…制成;
aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
??? 情景例句
I kissed the top of his dear little head.
我吻著他可愛的小頭頂。
Charity begins at home, but should not end there.
仁愛須由近及遠。
I crossed the street to avoid meeting him, but he saw me and came running towards me.
我穿過馬路以便避開他，但他看到我并朝我跑過來。