Mercaptotropone
巯基酮
🗣️ 情景例句
It's not easy being away from home.
离家独闯不容易。
To walk together
走在一起
Both these ships set out from Shanghai on June 18th, 1872 on an exciting race to England.
两船于1872年6月18日同时从上海启航驶往英国，途中展开了一场激烈的比赛。