Callouses
n. 硬皮, 老茧( callous的名词复数 )\\nv. （使）硬结, （使）起茧( callous的第三人称单数 ); （使）冷酷无情
🗣️ 情景例句
And take measures to reinforce them. Please set your mind at rest.
并采取措施加固。请放心好了。
It is lost labour to sow where there is no soil.
没有土壤，播种也是徒劳。
Next Von Frisch thought that bees needed to know more than just the distance to a faraway place.
接着，冯·弗里施认为蜜蜂不仅需要知道到远的喂食点的距离。