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[化] 返滴定; 返滴定法
🧩 词语组成解析
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[bæk]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
n. 滴定\\n[化] 滴定; 滴定法
🗣️ 情景例句
But our anniversary isn't until Saturday.
但是要到星期六才是我们结婚周年呀。
I will go with him if he asks me.
我会和他走，假如他要求我的话。
After I had given her some money, she looked into a crystal ball and said: 'A relation of yours is coming to see you.
“您的一个亲戚就要来看您了。