First trimester
[医][妊娠]前三个月，[妊娠]早期
🧩 词语组成解析
first
[fɝst]
n. 第一，最初;头等;一号，;[乐]高音部;
adv. 最早，最初;首次;宁愿;优先;
adj. 第一流的;最初的，最早的;基本的，概要的;高音的;
num. 第一;
n. 三个月, 一学期\\n[医] 三个月, 三月期
🗣️ 情景例句
This is too much.
太过分了。
In general,my reaction is favorable.
总的来说,我的反应是有利的。
These friendly dogs, which were first brought from Asia, were used as watchdogs even in Roman times.
那些最先从亚洲引进的狗，待人友好，早在罗马时代就给人当看门狗了。