Blastokolin
天然的苹果成熟阻化剂
🗣️ 情景例句
and he's very unhappy about not working.
他对没有工作感到怏怏不乐。
Have they developed a new method of transportation yet?
他们已经开发了新的运输方法了吗？
How is the new material working out for you?
新原料用得如何？