Oligospermous
少种子的
🗣️ 情景例句
Is that you, Susan?
是你吗， Susan？
Opportunity only knocks once.
机不可失，时不再来。
An even harder situation is to be on the platform in good time for a train and still to see it go off without you.
更难堪的情况是虽然及时赶到站台上，却眼睁睁地看着那趟火车启动，把你抛下。