Cetyl trimethylammonium chloride (ctac)
[化] 氯化十六烷基三甲基铵
🗣️ 情景例句
She told Robbie that her flight tomorrow was canceled,
她告诉Robbie说 她明天的班机取消了
Then,it's usually time to wake up my little brother.
然后,通常是我弄醒我的弟弟的时间。
He must, for example, perceive an egg as a simple single solid shape,
以鸟蛋为例,观赏者必须感觉到它是一个单一的实体形态,
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