Quaternary ammonium base

[化] 季铵碱

🧩 词语组成解析

quaternary
a. 四个一组的, 四元的, 四价的, 季的\\n[计] 四进制的, 四元的
ammonium
n. 铵\\n[化] 铵
base [bes]
n. 基础;基地;根据;基数(如十进制的10 和二进制的2); vt. 基于;把…建立在;把…放在或设在(基地);把…置于底座(或基座)上; adj. 卑鄙的;低级的;贱的,劣的;庶生的;
bas,base 表示”低下,基础”

🗣️ 情景例句

Barker's Service Station.
这里是巴克尔维修站。
Industry is fortune's right hand,and frugality her left.
勤勉是幸运的右手,世俭是幸运的左手。
You were very kind. You brought out all your jewellery and you told me I could take anything I wanted. There were so many beautiful things that it was hard to choose. And then I saw a lovely diamond necklace with a big blue stone in the centre.
你太好了。当时你把所有的珠宝首饰全都拿了出来,而且说,我要什么就可以拿什么。漂亮的首饰太多了,实在难挑选。后来我终于看中了一条美丽的钻石项链,中间还嵌着一颗大蓝宝石。
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