Jh
abbr. 保幼激素（juvenile hormone）
🗣️ 情景例句
Me, neither.
我也没有过。
Hello, it's a pleasure to meet you all.
你们好，很高兴见到大家。
Their humbler followers, such as partridges, have a like power of strong propulsion, but soon tire.
次于野鸭和鸽子的鸟，如鹧鸪，有相似的巨大推动力，但很快会疲劳。