Gh
[化] 促生长素
🗣️ 情景例句
The subject is unfamiliar to me.
那个问题我不熟悉。
Nature will have its course.
天行其道。
He did a lot of research and travelled around the USA looking for information about his ancestors.
他做了大量的研究，在美国跑了许多地方，了解有关祖先的情况。