First investment
[医] 内层包埋料, 内层围模料
🧩 词语组成解析
first
[fɝst]
n. 第一，最初;头等;一号，;[乐]高音部;
adv. 最早，最初;首次;宁愿;优先;
adj. 第一流的;最初的，最早的;基本的，概要的;高音的;
num. 第一;
🗣️ 情景例句
My, what a downpour! And there doesn't seem to be any sign of its stopping.
哎呀，好大的雨呀！没有一点像要停的样子。
I can't move.
我走不动了。
It is now being sent to his home by train.
现在正用火车给他运回家来。