Phosphines
(phosphine 的第三人称 -s形式) n. 磷化氢, 碱性染革黄棕\\n[化] 磷化氢; 膦; 碱性染革黄棕
🗣️ 情景例句
the autograph of somebody who may be famous someday.
将来有可能成名的人的亲笔签名。
One enemy can do more hurt than ten friends can do good.
十个朋友做的好事抵不上一个敌人造成的危害。
What are you doing? he asked. I'm cutting this tree up, answered the woodcutter.
“你在做什么？”他问。“我在把这棵树砍断，”伐木工人回答道。