Complexant
配位剂
🗣️ 情景例句
Take heart, we'll find a way out.
振作起来，我们会有办法的。
To work out the blueprint
勾勒蓝图
It is much cheaper to post or email a long report than to fax it.
邮寄或电子邮递一封长篇报告比传真要便宜得多。