Diethylene
n. 二亚乙基
🗣️ 情景例句
Have a good trip.
旅途愉快。
Welcome to our factory.
欢迎到我们工厂来。
I limited myself to two modest ambitions: to do physical exercise every morning and to read more of an evening.
我深知这些问题，于是，今年我对自己的计划要严加保密，只给自己定下两项适中的任务；每天早上锻炼身体，每天晚上多看点书。