Jh
abbr. 保幼激素（juvenile hormone）
??? 情景例句
I would like to thank my family
我要感謝我的家人
The buyer has the option of cancelling the contract.
買主有權(quán)撤消合同。
This in turn had an effect on the food supply for wolves.
這樣又影響了狼的食物供應(yīng)。