Parent ion
[化] 母离子
🧩 词语组成解析
parent
['pɛərənt]
n. 父亲（或母亲）;先辈;根源，起源;保护者;
ion
['aiən]
n. <物>离子;
🗣️ 情景例句
The meat's been marinating all night.
昨晚就把肉腌上了。
To come towards
正面过来
In the evenings he studied hard for his exams, and most mornings he took tourists around Oxford.
他晚间努力学习，以应付考试，而大多数早上，他则带领游客在牛津大学参观。