Be central to
成人 Adult Edu是…的核心,对…是重要的
🧩 词语组成解析
be
[bi]
v. 是;有，存在;做，成为;发生;
aux. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质;
to
[tu,tə]
prep. 向，朝着;到;关于;属于;
adv. 朝一个方向的;到某种状态;关闭;
🗣️ 情景例句
These files are highly confidential, please store them properly.
这些文件是高度机密的，请妥善保存。
Much cry and little wool.
雷声大，雨点小。
The village which had seemed deserted, immediately came to life.Faces appeared at windows.
刚才还似乎空荡荡的村庄一下子活跃了起来，窗口露出了一张张面孔，