单词学习:opportune 形容词
opportune
/ˌɒp.əˈtjuːn/
(时机)合适的,恰当的;适时的
The arrival of the new teaching materials was opportune for Gu Laoshi, who was about to start a new module.
新教材的到货对即将开始新模块教学的顾老师来说正是时候。
单词卡片
卡片已就绪