Spectroscopical
分光, 分光镜的
🗣️ 情景例句
How much does it weigh?
它多重？
Without method, little can be done to any good purpose.
不讲究方法，办事就没有成效。
So he had gone to the stores and had obtained a fixture that fitted both the tap on the supply line and the end of the air-line.
所以他就到仓库找到一个既适合供应管也适合供气管的接头。