Bivariants
双变式
🗣️ 情景例句
Normally I go to bed at about ten o'clock.
通常我在 10:00 睡觉。
The worst men often give the best advice.
最不行的人，往往能提出最好的意见。
Excuse me, Jim. Who's that man?
吉姆，那个人是谁？