The leaves are generally 1.5-4 mm long and 0.2-0.7 mm wide .
The leaves are usually 1.5-4 mm long and 0.2-0.7 mm wide .
The leaves are usually 1.5-4 mm long and 0.2-0.7 mm wide .
解释一下这段文字: The leaves are generally 1.5-4 mm long and 0.2-0.7 mm wide . 输出: