Phosphorous
a. 亚磷的, 含磷的\\n[化] 亚磷的; 三价磷的
🗣️ 情景例句
But Dad is always so busy.
但是爸爸总是那么忙。
To look up
仰视
suggested an idea on which he had been working for many years to the British Government and industrial circles.
他向英国政府和工业界提出了他研究多年的一项计划。