Chromometry
比色法
🗣️ 情景例句
Could you knead the dough for me?
你能帮我揉面吗？
To facilitate carrying, rope or metal handles are indispensable and should be fixed to the boxes.
为便于搬运，绳子或铁把手不可缺少，并将其固定在箱子上。
How much is the pen?
这支笔多少钱？