🧩 词语组成解析
that's
[[ðæts]]
(=that is)说得更精确些, 简而言之
how
[haʊ]
adv. 怎样;健康状况如何;到何种地步;以任何方式;
n. 方法;方式;
roll
[rəul]
vt. 辗;使（眼球等）左右转动;（使）原地转圈;滚动;
vi. 左右摇晃;翻滚;开始移动，启动;
n. 名册;滚翻;
🗣️ 情景例句
It took years of hard work.
那需要多年辛苦工作。
The lion is known by his claws (paw).
狮以爪闻名。
The most economical age to capture an elephant for training is between fifteen and twenty years,
捕捉15至20岁之间年龄的大象进行驯练最为经济。