Rectrices
n. （鸟的）舵羽; 舵羽（鸟尾上的硬毛）( rectrix的名词复数 )
🗣️ 情景例句
Oh, it was nothing. I'm glad she liked it.
嗯，小意思。她喜欢就好。
Choice of the end covers choice of the means.
选择目的包含著选择手段。
He began his diet a week ago.
他是一星期前开始节食的。