royal tree的用法和樣例：
例句
- The Tree Council promotes tree planting.
林木委員會倡導植樹造林。 - Tree farmers have never subjected trees to the process of selection and breeding.
林業農場主們也從未將林木置於人工選擇和培養的過程之中。 - The Tree Council promotes tree planting.
林木委員會倡導植樹造林。 - Tree farmers have never subjected trees to the process of selection and breeding.
林業農場主們也從未將林木置於人工選擇和培養的過程之中。
