Phosphorus trioxide
[化] 三氧化二磷
🧩 词语组成解析
phosphorus
['fɔsfərəs]
n. [化]磷;磷光体;
n. 三氧化物\\n[医] 三氧化物
🗣️ 情景例句
She went to a school-board meeting.
她去参加联合校董会的会议。
The little boy left home for his first day at school.
那个小孩第一天离开家去上学。
While two detectives were keeping guard at the door, two others opened the parcel.
这时两个侦探把住门口，另外两个侦探打开了包裹。