Variotin
拟青霉素
🗣️ 情景例句
The rules ought to be observed.
这些规则就予以遵守。
I wasn't aware of that.
我没有意识到。
In all the less controversial fields, like the study of cacti or termites or the nature of nebulae,
在一切争议较小的领域里，如对仙人掌、白蚁或星云性质的研究，