Alkaline filier
[机] 碱性填料
🧩 词语组成解析
alkaline
['ælkəlain]
adj. 碱性的，碱的;含碱的;
n. 碱度，碱性;
🗣️ 情景例句
What year were you born in?
你是哪一年生的？
Come in, please.
请进。
They also have the disadvantage of being an expensive form of transport.
飞机另一个缺点是昂贵。