Alkylate
n. [化]烷基化物
??? 情景例句
Nice talking to you. See you around.
和你談得很愉快。 回頭見。
Aren't you dressed too formally?
你穿的不是太正式化了嗎？
It can be unpleasant to live even several miles from an aerodrome;
即使住在離機場幾英里以外的地方，機場的噪音也會使人難受。