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in, to, on和off在方位名词前的区别
in, to, on和off在方位名词前的区别 1. in表示A地在B地范围之内。如: Taiwan is in the southeast of China. Shandong is in the east of China. 2. to表示A地在B地范围之外,即二者之间有距离...
at, in, on, by和through在表示时间上的区别
at, in, on, by和through在表示时间上的区别 1. at指时间表示: (1)时间的一点、时刻等。如: They came home at sunrise (at noon, at midnight, at ten o’clock, at daybreak, at dawn)....