評論
打印
1.Scientists used cameras that take photos in the forest when an animal passes by.
pass by 經(jīng)過；走過；(時間)逝去；過去；忽略；遺漏；不注意；
I passed by your house last night at about ten o'clcok.
我昨天晚上大約十點(diǎn)鐘的時候經(jīng)過你家。
Three years had passed by before she finally found a suitable job.
三年過去了，最終她才找到一份合適的工作。
2.Like other dogs, bush dogs hunt in packs of up to 10. They are known to communicate to each other using "high-pitched whines." They eat mostly large forest rodents.
in packs 成群
Lions do not hunt in packs, but alone.
獅子不成群獵食而是單獨(dú)出動。
Wolves hunt in packs.
狼是成群獵食的。
