Propylene
n. 丙二醇\\n[化] 丙烯
🗣️ 情景例句
While it may be cold outside, it's always warm here in the office.
外面可能很冷的时候，办公室里面总是很暖和。
Hello, it's a pleasure to meet you all.
你们好，很高兴见到大家。
How old are you?
你多大了？