Trisubstituted
a. [化]三代的,三元取代的
🔁 扩展释义
【医】 三代的, 三个可置换基团的
🗣️ 情景例句
for the repainting of the interior of the building
用来重新粉刷内部
Is it yours?
它是你的吗？
It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.
不久，一架直升飞机飞抵飞机失事现场，来搭救这几个幸存者。