🧩 词语组成解析
n. 景天\\n[医] 景天
acre
['ekɚ]
n. 英亩;土地，耕地;[口]大量;
🗣️ 情景例句
I can't make up my mind about it.
关于那件事，我还不能做决定。
Leave it up to me!
这事就交给我吧。
Once the existence of this wave-length had been discovered,
一旦这种波长的实际存在被发现，