🧩 词语组成解析
n. 马库斯（男子名）
n. 涅尔瓦（古罗马皇帝）
🗣️ 情景例句
That's nothing at all.
不用客气。
For one thing,I've got to drop by the bank to get some money.
首先，我得去银行取一些钱。
It is bacteria that have generated the oxygen we breathe on earth.
正是细菌生产出我们在地球上呼吸的氧气。