Eim
[医][=excitability-inducing material]兴奋诱导物质
🗣️ 情景例句
If I fail this exam I'll fail the course.
我要是考试没通过，这门课就没学分了。
To chase the thief
追踪小偷
The boy was too nervous to speak.
那男孩紧张得说不出话来。