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[化] 乙基
🗣️ 情景例句
You really must have your wits about your when dealing with such people.
跟这类人打交道，你必须格外警觉。
What time does the first train to Boston leave?
第一班去波士顿的列车什么时间开出呢？
This time, he managed to climb into the mouth of Kituro so that he could take photographs and measure temperatures.
这次他设法爬进了基图罗火山口，以便能拍摄照片和测试温度。