例句：
The birds live mainly on nectar.
這些鳥(niǎo)主要以花蜜為食。
The sea water is mainly composed of water and salt.
海水主要由水和鹽組成。
She spoke mainly when spoken to.
基本上只有別人對(duì)她說(shuō)話時(shí)她才開(kāi)口。
2024-07-25
例句：
The birds live mainly on nectar.
這些鳥(niǎo)主要以花蜜為食。
The sea water is mainly composed of water and salt.
海水主要由水和鹽組成。
She spoke mainly when spoken to.
基本上只有別人對(duì)她說(shuō)話時(shí)她才開(kāi)口。