N-heptanal
[化] 正庚醛
🧩 词语组成解析
[化] 庚醛
🗣️ 情景例句
Excuse me, I can't seem to find my seat. Can you help me?
不好意思，我好像找不到我的座位了。您能帮帮我吗？
The watchmaker is near-sighted.
这位钟表匠是个近视眼。
The tour should last about an hour and a half.
这次参观大概需要一个半小时。