✅ 同义词
🗣️ 情景例句
I visited Japan on an observation tour of its industries.
我到日本观摩它的工业。
I wonder what makes you late.
我不知道是什么使你迟到。
However, boxing was very crude, for these were no rules and a prizefighter could be seriously injured or even killed during a match.
不过，拳击是十分野蛮的，因为当时没有任何比赛规则，职业拳击手有可能在比赛中受重伤，甚至丧命。