Phosphonitryl
磷氮基
🗣️ 情景例句
We can have somebody come by, but it won't be right away.
我们可以派人去，但现在不行。
How much is the excess baggage charge?
超额行李费多少钱？
All this was comparatively slow until, with the coming of science, the tempo was suddenly raised.
所有这些发展都比较缓慢，而随着科学的到来，增长的速度才突然加快。