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
and some brushes and some paint.
刷子和油漆。
No. Behave yourself, Jack.
别胡闹，杰克。
What shocked him most was that the men who carried him were black.
最使他感到惊奇的是，把他运走的人都是黑人。