Mainstays
n. 支柱, 柱石（mainstay的复数形式）
🗣️ 情景例句
Breathing this air is killing me.
呼吸这样的空气真是致命。
One barking dog sets all street a-barking.
一狗吠声响，狗吠满街坊。
He has made neat paths and has built a wooden bridge over a pool.
他修筑了一条条整洁的小路，并在一个池塘上架了一座小木桥。