Mesochemistry
介子化学
🗣️ 情景例句
Are these the terms that we dicussed?
这些是我们所讨论的条件吗？
Only fifteen minutes.
只要15分钟。
As there were not enough lifeboats for everybody, 1,500 lives were lost.
由于没有足够的救生艇运载所有乘客，结果，1，500 人丧生。