Polytyrosine
[化] 聚酪氨酸
??? 情景例句
All my bags are checked in. I guess I'm all set to go.
我的行李都檢查完了，看來我可以走了。
Good medicine tastes bitter.
良藥苦口。
Though they extol the virtues of the peaceful life, only one of hem has ever gone to live in the country and he was back in town within six months.
盡管他們都交口稱贊寧靜的鄉村生活的種種優點，但其中只有一個人真去農村住過，而且不足6個月就回來了。