Backbones
n. 骨干( backbone的复数形式 ); 脊骨; 骨气; 脊骨状物
🗣️ 情景例句
Chileren should learn about the great accomplishments of their nation.
孩子们应该了解自己国家的伟大成就。
From a little spark may burst a mighty flame.
星星之火可以燎原。
Plenty of sleep is healthful.
充足的睡眠有益于健康。