pack size

基本解釋

These asteroid-sized objects pack sunlike masses, extremely small orbits, and incredibly fast spins.
這兩個只有小行星大小的物體卻內(nèi)含了太陽一般的質(zhì)量，軌道極小，自轉(zhuǎn)極快。
Neutron stars can pack more than a sun's worth of material into a city-sized sphere. A few cups of neutron-star stuff would outweigh Mount Everest.
中子星可以將質(zhì)量相當于不下一顆恒星的物質(zhì)包容在一座城市大小的球體中，幾茶杯中子星上的物質(zhì)重量就會超過珠穆朗瑪峰！
huzhangao.blog.163.com
You might also want to pack a portable toothbrush and a travel-sized toothpaste tube in case you end up staying overnight somewhere.
你還要將便攜型牙刷以及旅行用大小的牙刷管放好，以防過夜時把它們遺忘在什么地方。

It was loneliness that had led him to seek a conversation on a restaurant patio long past the lunch hour, as it was loneliness that had made her empty the refrigerator in the cottage and pack her belongings into five mega-sized black plastic garbage bags and drop them outside a Goodwill early one morning.
NEWYORKER: Alone
Heinz derives more than 60% of its revenues outside the U.S. Ketchup sales for this quarter could be boosted by the introduction of smaller sized Heinz pouches that cost 99 cents for a 10-ounce pack to lower the entry price for price-sensitive consumers.
FORBES: H.J. Heinz's Earnings To Show Growth But Slimmer Margins