In school, he was not one of the achievers.
上學(xué)時(shí)他不屬于拔尖的那類。
The two groups of children have quite different characteristics.
這兩組兒童具有截然不同的特點(diǎn)。
The project is still causing him a lot of problems.
這項(xiàng)工程現(xiàn)在仍然給他帶來(lái)許多的麻煩。
The need to communicate is a key characteristic of human society.
需要交流是人類社會(huì)最重要的一個(gè)特征。
The new test should aid in the early detection of the disease.
新的化驗(yàn)應(yīng)該有助于早早檢查出這種疾病。