Grammar Note
象棋中作不及物动词，表示王车易位；常见搭配如 castle kingside / castle queenside。
王车易位；易位
先理解核心含义，再看它在真实句子里的用法。
王车易位；易位
In chess, to move the king two squares sideways and the nearest rook to the other side of the king in the same move.
If your king and rook are still in their original squares, you may castle to keep the king safe.
如果你的国王和车仍在原始位置，你可以王车易位来保护国王安全。
在城堡中居住或安置。
To house or keep in a castle.
以类似方式保护或隔离。
To protect or separate in a similar way.
将国王向右或左移动两格,同时将最近的车移动到国王的另一侧。此动作有特殊规则:国王不能在、经过或结束于将军状态；国王和车之间的格子必须空着；两者在易位前都不能移动过。
To move the king 2 squares right or left and, in the same turn, the nearest rook to the far side of the king. The move now has special rules: the king cannot be in, go through, or end in check; the squares between the king and rook must be vacant; and neither piece may have been moved before castling.
通过几步在日本象棋中创建类似的防御位置。
To create a similar defensive position in Japanese chess through several moves.
castle
Base
原形
castles
3rd person
第三人称单数
castling
-ing
现在分词
castled
Past
过去式
castled
Past participle
过去分词
The king castles two squares to the left.
王车易位时，王向左移动两格。
He castled early to safeguard his king.
他早早地王车易位，以保护王的安全。
She has not castled yet because the rook is blocked.
她还没有王车易位，因为车被挡住了。
常用义：国际象棋中的“王车易位”；动词形式规则。
He castled to move his king away from the center of the board.
他王车易位，将国王移离棋盘中央。
In this position, castling would put your king in check, so you cannot castle.
在这种局面下，王车易位会使你的国王被将军，所以你不能易位。
Choose the next layer that will help you use castle with more confidence.
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象棋中作不及物动词，表示王车易位；常见搭配如 castle kingside / castle queenside。
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Collins 词频等级为 3，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.