Be due to
成人 Adult Edu由于; 起因于
🧩 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;
due
[dju:]
adj. 由于;适当的;预定;到期;
n. 应有的权利;应得到的东西;应缴款;
adv. 正向;正对着;
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
When do you need the money?
你什么时候需要钱？
Scientists contribute to the well-being of mankind.
科学家为人类造福。
Clusters of tin insects called aphids were to be found on the underside of the leaves.
结果在树叶背面找到成串的叫作蚜虫小虫子。