Sliding keel
un. 中插板\\n
🧩 词语组成解析
a. 滑行的, 变化的\\n[机] 滑动
keel
[ki:l]
n. （船的）龙骨;
vt.& vi. 翻身，倾覆;
adj. 无龙骨的;
🗣️ 情景例句
Has he made it up with her yet?
他和她和好了吗？
Coming events cast their shadows before them.
山雨欲来风满楼。
The glasses keep their eyes safe.
眼镜可以使眼睛不受伤害。