植物の種子は硬い包皮に覆われている。
Plant seeds are covered in a hard outer skin.
Listen to pronunciation
Handwriting
Example sentences
His expression was stiff, perhaps because he was nervous.
作業員は鶴嘴を使って硬い地面を掘り起こした。
The worker used a pickaxe to break up the hard ground.
冬の間、蛹虫は硬い殻の中で春の訪れをじっと待っている。
During winter, the pupa waits quietly for the arrival of spring inside its hard shell.
Usage Notes
'硬い' (katai) refers to something physically hard or, as in this case, a stiff or tense expression or formal atmosphere.
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