1、SOME LINES WILL differentiate into only certain cell types; others grow sluggishly in culture.
有些細胞株只能分化出特定的細胞類型，有些細胞株在培養(yǎng)時生長遲緩。

2、Watching extra large flakes of snow sluggishly fall to the ground is really quite neat.
看著超大的雪花慢慢地飄落地上，真是賞心的事情。

3、He saw the phosphorescent glimmer of a shark, like a sea ghost, drift sluggishly by.
他看見一只鯊魚懶洋洋地從旁邊游了過去，磷光閃閃的，宛如大海的鬼魂。

4、Jobs are still being lost, incomes are growing sluggishly and credit remains tight.
仍然有更多人失業(yè)，收入上漲緩慢，信貸依然緊縮。