S strain
[醫] 平滑株
?? 詞語組成解析
strain
[stren]
vt.& vi. 拉緊，拉傷;用力拉;
n. 血統，家族;性格，脾氣;語氣;一段音樂;
vt. 拉緊，拽緊或扯緊;盡量使力;扭傷;歪曲;
vi. 不懈;受到強大的壓力;拉緊，緊繃;
strain拉，壓 → 盡力拉；工作過度
??? 情景例句
I think it looks great, thank you.
我覺得它看起來不錯， 謝謝！
Those flowers look pretty but don't give off a nice smell.
這些花看似漂亮，但是氣味并不好。
The men got such a fright that they dropped the bag and ran away.
這兩個人嚇了一跳，扔下提包逃跑了。