Ecofactor
生态因素
🗣️ 情景例句
He took care of my daughter
我女儿曾受他照顾，
She passed her competitive examination not without difficulty.
她好不容易才通过了答辩考试。
At that moment, everybody began to laugh and sing.
此时，大家已经笑了起来，同时唱起了歌。