它可以在几百年的时间里只生长几厘米。
这种光波可以穿透皮肤几厘米深。
This wavelength of light can penetrate several centimetres into the skin.
身高只有十几厘米，体重也只有十几克。
She is only a dozen centimeters tall, and weighs about ten plus grams.
身高只有十几厘米，体重也只有十几克。
She is only a dozen centimeters tall, and weighs about ten plus grams.
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