Ethylvanillin
[化] 乙基香兰素
🗣️ 情景例句
Something old.
旧的东西。
While Mike was an only child, he would amuse himself with his toys.
麦克还在孩提时，常常独自玩玩具取乐。
So it became known as the gold rush.
成为广大为人知的“淘金热”。