重點講解：

choke
vt. 嗆；使窒息；阻塞；抑制；撲滅
vi. 窒息；阻塞；說不出話來
n. 窒息；噎；[動力] 阻氣門
A small child could choke on the doll's hair.
小孩子可能會因玩具娃娃的頭發而窒息。
Dense smoke swirled and billowed, its rank fumes choking her.
濃密的煙霧盤旋翻騰，刺鼻的煙味使她窒息。
simultaneous
adj. 同時的；聯立的；同時發生的
n. 同時譯員
The conference hall is provided with facilities for simultaneous interpretation in five languages.
這個會議大廳配有五種語言的同聲傳譯設備。
This event was almost simultaneous with that one.
這件事幾乎是與那件事同時發生的。
genetical
adj. 遺傳的；起源的；創始的
Each part of seed has its own genetical information for esterase biosynthesis which may be similar or not.
種子的每一部分都有由各自的相同或不相同的酯酶生物臺成的遺傳信息。
In addition, the possibility of applying the grey relational grade analysis to genetical breeding of cotton has been discussed.
討論了灰色關聯度分析在棉花遺傳育種中運用的可能性。

美國文化：