Underproper
vt. 从下面支撑；支持；维持：
🗣️ 情景例句
They've always got an opinion.
他们总有自己的看法。
Do I need to be hospitalized?
我需要住院吗？
The hovercraft is particularly useful in large areas with poor communications such as Africa or Australia;
气垫船在非洲、澳大利亚等交通不发达地区特别有用。