He has the responsibility of protecting them from the dangers銀背公猩猩要負起保護它們的責任

protect from保護 ... 不受； 使 ... 免于

The plants should be protected from the cold.

應該保護這些植物使之不受凍。

He raised his arm to protect his child from hurt.

他伸出手去，保護他的孩子免受傷害。

The youngsters need to eat far less than their father,小猩猩食量比爸爸小得多

far less than遠少于

Their income is far less than yours.

他們的收入遠不如你。

Their protector keeps a watchful eye on them.銀背公猩猩一刻也不松懈地盯著它們

keep an eye on留意； 照看

He asked his neighbour to keep an eye on his house.

他請鄰居照看他的房子。

Would you keep an eye on my baby for a while?

請你照看一下我的嬰兒好嗎?