Isooleanane
异齐墩果烷
🗣️ 情景例句
Workers have to work very hard to keep bread on the table.
工人得十分努力工作才能赚钱糊口。
The mountains have brought forth a mouse.
大山生小鼠（指：费力大而收效小）。
Justice is part of the complex machinery of the law.
正义是复杂的法律机器组成部分。