Backbones
n. 骨干( backbone的复数形式 ); 脊骨; 骨气; 脊骨状物
🗣️ 情景例句
If you are going to come over, make suer it's during our summer.
如果你打算过来，记得我要在我们的夏季过来。
It is good to learn at another man's cost.
前车之覆，后车之鉴。
No. I've never been to that farm before. What kinds of animals have they got?
不，我以前从来没有去过那个农场。他们有哪些种类的动物？