Plant hopper
蜡蝉，飞虱
🧩 词语组成解析
hopper
['hɔpə]
n. 漏斗;单足跳者;跳虫;储料器;
🗣️ 情景例句
Happy langings!
一路顺风！
It is good to learn at another man's cost.
前车之覆，后车之鉴。
below 20 per cent, its bactericidal action is negligible.
浓度低于20％时，杀菌能力基本上就不存在了。