... 笑什么了？ » What a laugh? 字母练习 » Alphabet practice 感慨 » n. (Trad=感慨, Pinyin=gan3 kai3) lament ...
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他们正在跟着老师做字母练习。
在一些数学练习中，字母“x”通常代表一个未知数。
The letter "x" often represents an unknown number in some Math exercises.
首先，给你的孩子朗读是必不可少的，因为这是教孩子字母名称和读音的特殊练习和游戏。
Foremost, reading to your children is vital, as is specific exercises and games to teach them letter names and sounds.
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