Alkaline metal
碱金属
🧩 词语组成解析
alkaline
['ælkəlain]
adj. 碱性的，碱的;含碱的;
n. 碱度，碱性;
metal
['mɛtl]
n. 金属;金属元素;成色;金色;
vt. 以金属覆盖;
🗣️ 情景例句
We have no collateral.
我们没有担保物。
Which one is more economical?
哪一个是比较经济的？
The police were called in, but they could not arrest anyone,
警察被召来了，但他们却不能逮捕任何人，