Thrapic acid
[化] 十七碳四烯酸
🧩 词语组成解析
🗣️ 情景例句
At six o'clock this evening.
今晚六点。
If I had had time,I would have called you.
如果我有时间，我就打电话给你了。
'Will you be spending your holidays abroad this year?' I asked.
“您今年去国外度假吗？”我又问。