Chlo
abbr. chloride 氯化物
🗣️ 情景例句
Being a mother is not easy,
当一个母亲真不容易，
Opportunity seldom knocks twice.
机不可失，失不再来。
Now move the hand to and fro and around but not up and down.
然后把手前后左右以及旋转摆动，但不要上下摆动。