Polyembryonic
多胚的
🗣️ 情景例句
She's got him under her thumb.
她把他给管住了。
Nothing for nothing.
不费力气，一无所得。
An enterprise has to incur certain costs and expenses in order to stay in business.
一个企业为了继续经营，不得不支出一定的费用和开销。