Mechanical friction resistance
[化] 机械摩擦阻力
🧩 词语组成解析
🗣️ 情景例句
Easy now. Easy does it. That's it.
放轻 ，不要紧 ，对了。
By little and little the wolf eateth the sheep.
狼吃羊，一只一只进肚肠。
Then see which plants grow higher, measure them with a ruler and write down your results.
过后看看哪种西红柿长得比较高，用尺子量量并记录下你的实验结果。