Berondrite
辉闪霞斜岩
🗣️ 情景例句
I'm out of a job at the moment.
现在我失业了。
Some students quit school due to poverty.
一些学生因贫困而辍学。
But instruments far more delicate than that were needed if any really serious advance was to be made.
但是，如果要取得真正重大的进展，需要有比这种装置精细得多的仪器。