Nitroplasticizer
硝基增塑剂
🗣️ 情景例句
we'll surprise her.
我们再让她惊喜一下。
School should be a time for learning.
学生时代，应该学习许多重要的事情。
The Americans would happily reach one accord on standards for medical devices and them hammer out different pacts covering,say,
美国人很愿意就医疗器械的标准达成一个协议，然后推敲出不同的合同，用以涵盖 --比如说