n. 储备;保护区;保留;替补队员;
vt. 储备;保留;预约;
vi. 预订;
adj. 保留的;预备的;
re再+serve服务,保持→再留住→预定n. 内向,沉默寡言
🗣️ 情景例句
At four o'clock,
四点钟,
I wrote novels yesterday.
我昨天在写小说。
Of course, the Hubble is above the earth's atmosphere, so it will soon be sending us the clearest pictures of the stars and distant galaxies that we have ever seen.